Zenfone 2 ZE551ML just bricked or faulty parts? - ZenFone 2 Q&A, Help & Troubleshooting

Hello my dear xda community,
today my zenfone 2 ze551ml 2,3ghz 4gb WW just died.
heres the story:
i plugged it in to charge, then i unplugged it for about 10 minutes and plugged it in again but it didnt charge.
so i tried to reboot and then strange bootloops occured. after a few tries i managed to boot again. after the next reboot it got stuck in bootloop completely.
next i tried to boot into fastboot. sometimes it works sometimes it doesnt. when i want to boot into recovery a dead blinking bot appears and i cannot enter the options.
also sometimes my fastboot shows the serialnumber "0123456789abcdef" and sometimes it shows it correct. another thing is that when im in fastboot mode my pc does not recognize my phone.. no connection sound nothing. not on windows (yes drivers are installed) and not on linux.
only thing i managed was to establish a connection when i restored my bootloader with xfstk downloader. (did not change a thing)
so now when i boot there are 3 things that can happen:
1. dead bot blinking
2. asus boot screen (stuck)
3. bootloop
im having this problem for about 6 hours now and i have no further ideas how to possibly reflash stock firmware without being able to use fastboot (i can enter it but pc wont recognize) and without being able to properly start recovery mode (dead bot BLINKING)
yes my phone was rooted
and no i did not do any updates it just happened
EDIT: forgot to tell you.. when all this started i was able to boot a few times into my os (stock os just debloated) but was not able to charge or connect to pc. also when my phone is turned off and i connect it via usb to the charger or pc, the phone all of a sudden tries to boot
thanks in advance
cheers

Dulu93 said:
Hello my dear xda community,
today my zenfone 2 ze551ml 2,3ghz 4gb WW just died.
heres the story:
i plugged it in to charge, then i unplugged it for about 10 minutes and plugged it in again but it didnt charge.
so i tried to reboot and then strange bootloops occured. after a few tries i managed to boot again. after the next reboot it got stuck in bootloop completely.
next i tried to boot into fastboot. sometimes it works sometimes it doesnt. when i want to boot into recovery a dead blinking bot appears and i cannot enter the options.
also sometimes my fastboot shows the serialnumber "0123456789abcdef" and sometimes it shows it correct. another thing is that when im in fastboot mode my pc does not recognize my phone.. no connection sound nothing. not on windows (yes drivers are installed) and not on linux.
only thing i managed was to establish a connection when i restored my bootloader with xfstk downloader. (did not change a thing)
so now when i boot there are 3 things that can happen:
1. dead bot blinking
2. asus boot screen (stuck)
3. bootloop
im having this problem for about 6 hours now and i have no further ideas how to possibly reflash stock firmware without being able to use fastboot (i can enter it but pc wont recognize) and without being able to properly start recovery mode (dead bot BLINKING)
yes my phone was rooted
and no i did not do any updates it just happened
EDIT: forgot to tell you.. when all this started i was able to boot a few times into my os (stock os just debloated) but was not able to charge or connect to pc. also when my phone is turned off and i connect it via usb to the charger or pc, the phone all of a sudden tries to boot
thanks in advance
cheers
Click to expand...
Click to collapse
hard bricked my phone recently and have the same 123456etc serial. This happened when I flashed boot.img without doing Androidboot.img first. It was a long recovery process,but I did get it recovered; however, I don't think I can fast boot from the bootloader anymore. If you want details for that route I can give them. Basically just search for hard brick. I wouldn't recommend it unless you're desperate. My phone is up and rooted again tho, so I'm happy.

k0rax said:
hard bricked my phone recently and have the same 123456etc serial. This happened when I flashed boot.img without doing Androidboot.img first. It was a long recovery process,but I did get it recovered; however, I don't think I can fast boot from the bootloader anymore. If you want details for that route I can give them. Basically just search for hard brick. I wouldn't recommend it unless you're desperate. My phone is up and rooted again tho, so I'm happy.
Click to expand...
Click to collapse
yeah would be nice if you would guide me how to "recover" my phone again.
i tried flashing an os image via xfstk downloader but it failed probably due to the lack of proper files.

Sounds like you might need a new cable too
Sent from my ASUS_Z00A using Tapatalk

kenbo111 said:
Sounds like you might need a new cable too
Sent from my ASUS_Z00A using Tapatalk
Click to expand...
Click to collapse
i dont think so.. tried a few different cables

Dulu93 said:
yeah would be nice if you would guide me how to "recover" my phone again.
i tried flashing an os image via xfstk downloader but it failed probably due to the lack of proper files.
Click to expand...
Click to collapse
What I did was found a raw image that was supposed to flash the whole phone. With Asus flash tool. You need the x.14 version. I couldn't get it to flash my phone but I could see it repartitioning . I pulled the cable after that. Don't reboot. Then flash all the .IMG files from the temp folder. After that, it was stock and took some work getting it unlocked then rooted. After that and having twrp I just reloaded my last saved image.

k0rax said:
What I did was found a raw image that was supposed to flash the whole phone. With Asus flash tool. You need the x.14 version. I couldn't get it to flash my phone but I could see it repartitioning . I pulled the cable after that. Don't reboot. Then flash all the .IMG files from the temp folder. After that, it was stock and took some work getting it unlocked then rooted. After that and having twrp I just reloaded my last saved image.
Click to expand...
Click to collapse
i can only find die x.15 version but i think it should be enough. the problem is that ze2 is not reacting to pc commands when in bootloader.. so i can not operate in with fastboot commands and asus flash tool requires fastboot mode
maybe my last option is to flash my phone via intel phone flash tool which operates via the soc. but i dont have the necessary files. as i remember i would need some flash.xml and image

maybe there is someone who is able to provide files i would need for the intel phone flash tool. i searched but i only could find the flash.xml file for other zenfone models then zenfone 2

Dulu93 said:
maybe there is someone who is able to provide files i would need for the intel phone flash tool. i searched but i only could find the flash.xml file for other zenfone models then zenfone 2
Click to expand...
Click to collapse
tried to flash a raw file via intel phone flash tool but it says that automatic reboot is not supported on this devices and failed to reboot.
any solutions?

Dulu93 said:
tried to flash a raw file via intel phone flash tool but it says that automatic reboot is not supported on this devices and failed to reboot.
any solutions?
Click to expand...
Click to collapse
When using xfstk did it confirm it was able to write the bootloader? Also, what version of Windows? I have 10 and it took booting the Os into a recovery mode and accepting the drivers even though they weren't signed. In the offset or write settings in xfstk I had five zeroes. I heard someone use 4, but the majority said 5. I used 5. Are you able to see the boot screen as a 4 color box?

Dulu93 said:
tried to flash a raw file via intel phone flash tool but it says that automatic reboot is not supported on this devices and failed to reboot.
any solutions?
Click to expand...
Click to collapse
OK, I think I've figured it out. Realized my phone was crashing when I went to make a call. RessurectionRemix formatted my SD card and wasn't readable anymore, so frustrated I said f**k it, let's start over.
1) it's 4 zeros, not 5.
You'll notice when you're flashing with xFSTK Downloader it attempts to flash twice. It appears the first flash is for the bootloader, and the second is for OS. It needs to flash both. I could not get it to flash both until I updated the GP Flag Override Value to 0x80000807. Then it went without a hitch.
2) install fastboot and adb with the driver package.
It's on the site here. Once I did that the ASUS Flash tool did its thing. For those wondering if it's doing something or not - the answer is, if the phone looks like it's not doing anything - it's not doing anything. After I installed adb and fastboot, along with the drivers, it took about 5 minutes to flash end to end without a hitch.
So the takeaway is - if it's flashing the first portion, you have connectivity to the phone - but that does NOT mean adb/fastboot will have connectivity like it should. That takes the special google drivers. Also, it needs to flash TWICE for xFSTK. If it doesn't do both, things will be broken.
I found a raw image that was quite old 2.15.40.13 on asus-zenfone.com. password for zip is asus-zenfone.com. I've flashed that, and about to update to 2.19.40.20 to do the unlock. Rooting with one click root worked fine, but unlock I don't know did. So I'm getting the specific version it says it works for. I'll post an update when that's done.
Cheers

Unfortunately that didn't resolve my phone dialing, crashing the phone problem. :L
---------- Post added at 06:29 AM ---------- Previous post was at 06:21 AM ----------
k0rax said:
Unfortunately that didn't resolve my phone dialing, crashing the phone problem. :L
Click to expand...
Click to collapse
This did:
Make sure you go to settings-->apps-->default apps and select the dialer as your default application to make calls.

k0rax said:
OK, I think I've figured it out. Realized my phone was crashing when I went to make a call. RessurectionRemix formatted my SD card and wasn't readable anymore, so frustrated I said f**k it, let's start over.
1) it's 4 zeros, not 5.
You'll notice when you're flashing with xFSTK Downloader it attempts to flash twice. It appears the first flash is for the bootloader, and the second is for OS. It needs to flash both. I could not get it to flash both until I updated the GP Flag Override Value to 0x80000807. Then it went without a hitch.
2) install fastboot and adb with the driver package.
It's on the site here. Once I did that the ASUS Flash tool did its thing. For those wondering if it's doing something or not - the answer is, if the phone looks like it's not doing anything - it's not doing anything. After I installed adb and fastboot, along with the drivers, it took about 5 minutes to flash end to end without a hitch.
So the takeaway is - if it's flashing the first portion, you have connectivity to the phone - but that does NOT mean adb/fastboot will have connectivity like it should. That takes the special google drivers. Also, it needs to flash TWICE for xFSTK. If it doesn't do both, things will be broken.
I found a raw image that was quite old 2.15.40.13 on asus-zenfone.com. password for zip is asus-zenfone.com. I've flashed that, and about to update to 2.19.40.20 to do the unlock. Rooting with one click root worked fine, but unlock I don't know did. So I'm getting the specific version it says it works for. I'll post an update when that's done.
Cheers
Click to expand...
Click to collapse
thank you very much for your help.
the first point chaning it to 4 zeros did the trick. i was able to reinstall the bootloader.
but i still dont have connectivity via fastboot. im sure all drivers are installed and even on linux i cant see my phone. what is that special google driver?

k0rax said:
When using xfstk did it confirm it was able to write the bootloader? Also, what version of Windows? I have 10 and it took booting the Os into a recovery mode and accepting the drivers even though they weren't signed. In the offset or write settings in xfstk I had five zeroes. I heard someone use 4, but the majority said 5. I used 5. Are you able to see the boot screen as a 4 color box?
Click to expand...
Click to collapse
with 5 zeros it only loaded the firmware but skipped the os. with 4 zeros it loaded both. and yes i was able to see the colorbox.
im using windows 10 and what drivers do you mean? i installed the 15s driver package from xda

Dulu93 said:
with 5 zeros it only loaded the firmware but skipped the os. with 4 zeros it loaded both. and yes i was able to see the colorbox.
im using windows 10 and what drivers do you mean? i installed the 15s driver package from xda
Click to expand...
Click to collapse
This did it for me:
http://forum.xda-developers.com/showthread.php?p=48915118
After installing that, Asus flash tool worked for me
Also I found it will sometimes stall during flash. After partition and before flashing. If it doesn't show anything changing on the phone for 2-3 minutes, (except when it's flashing system), cose the app, make sure fastboot, fastboot2, and adb are all closed, and try again. Make sure to launch AFT as administrator.
Don't forget to catch the first boot before it loads the OS - AFT reboots once complete - and run unlock tool right then. if you miss it you have to start over.

k0rax said:
This did it for me:
http://forum.xda-developers.com/showthread.php?p=48915118
After installing that, Asus flash tool worked for me
Also I found it will sometimes stall during flash. After partition and before flashing. If it doesn't show anything changing on the phone for 2-3 minutes, (except when it's flashing system), cose the app, make sure fastboot, fastboot2, and adb are all closed, and try again. Make sure to launch AFT as administrator.
Don't forget to catch the first boot before it loads the OS - AFT reboots once complete - and run unlock tool right then. if you miss it you have to start over.
Click to expand...
Click to collapse
installed this package but still no luck.. even tried with freshly installed win7 but no luck. my fastboot mode is not being recognized

Dulu93 said:
installed this package but still no luck.. even tried with freshly installed win7 but no luck. my fastboot mode is not being recognized
Click to expand...
Click to collapse
Try a different USB port. On the back of the computer. For whatever reason that made a difference for me. I couldn't use the front ones.
---------- Post added at 09:16 PM ---------- Previous post was at 09:05 PM ----------
Dulu93 said:
installed this package but still no luck.. even tried with freshly installed win7 but no luck. my fastboot mode is not being recognized
Click to expand...
Click to collapse
http://forum.xda-developers.com/zenfone2/general/guide-brick-soft-hard-bricked-zenfone-2-t3284256
1.1 - Install IntelSocUSB
-First, Please disconnect the machine Zenfone your 2.
-Download Driver IntelSocUSB here:
http://drive.google.com/file/d/0B2oM...ew?usp=sharing
If you're using Windows 7:
Right-click the file -Click iSocUSB-Driver-Setup-1.2.0 choose "Run as Administrator".
-Make The installation steps as usual until you see a small window "Windows Security" requires authentication settings then click on the "install this driver software anyway"
-After This step, the driver installation is finished, continue to section 1.2 for connecting IntelSoc regime
Also iV you're using a virtualized environment I've heard people have had trouble. Try native if you can. The second part of the flash is fastboot. I don't remember the version I used. I'll check when I get home

k0rax said:
Try a different USB port. On the back of the computer. For whatever reason that made a difference for me. I couldn't use the front ones.
---------- Post added at 09:16 PM ---------- Previous post was at 09:05 PM ----------
http://forum.xda-developers.com/zenfone2/general/guide-brick-soft-hard-bricked-zenfone-2-t3284256
1.1 - Install IntelSocUSB
-First, Please disconnect the machine Zenfone your 2.
-Download Driver IntelSocUSB here:
http://drive.google.com/file/d/0B2oM...ew?usp=sharing
If you're using Windows 7:
Right-click the file -Click iSocUSB-Driver-Setup-1.2.0 choose "Run as Administrator".
-Make The installation steps as usual until you see a small window "Windows Security" requires authentication settings then click on the "install this driver software anyway"
-After This step, the driver installation is finished, continue to section 1.2 for connecting IntelSoc regime
Also iV you're using a virtualized environment I've heard people have had trouble. Try native if you can. The second part of the flash is fastboot. I don't remember the version I used. I'll check when I get home
Click to expand...
Click to collapse
ok.. lets summarize what i did:
1. installed adb/fastboot driver package
2. installed intel dnx driver (with isocusbdriver iwasnt able to open xfstk)
3. installed asus flash tool
4. installed xfstk downloader
5. loaded fw + os with xfstk downloader (successful)
-----
6. while in bootloader i connected my phone to the pc and tried to use asus flash tool (as admin) - not listing devices
i tried every usb port i have and several different cables, nothing helps
im slowly giving up... in the attachments you have snapshots how it looks like when im connected and in fastboot mode. to make sure no dead drivers are in my way im on a freshly installed win10
EDIT: now something happened. i flashed bootloader via xfstk, then i powered off my phone and connected it again. then for a second AFT showed my serial number, but the state was a red X
after i restore my bootloader via xfstk. what do i have to do so AFT can see my phone? what you can see in the attachments is all i get from AFT.. but i dont know how to stay connected

Dulu93 said:
ok.. lets summarize what i did:
1. installed adb/fastboot driver package
2. installed intel dnx driver (with isocusbdriver iwasnt able to open xfstk)
3. installed asus flash tool
4. installed xfstk downloader
5. loaded fw + os with xfstk downloader (successful)
-----
6. while in bootloader i connected my phone to the pc and tried to use asus flash tool (as admin) - not listing devices
i tried every usb port i have and several different cables, nothing helps
im slowly giving up... in the attachments you have snapshots how it looks like when im connected and in fastboot mode. to make sure no dead drivers are in my way im on a freshly installed win10
EDIT: now something happened. i flashed bootloader via xfstk, then i powered off my phone and connected it again. then for a second AFT showed my serial number, but the state was a red X
after i restore my bootloader via xfstk. what do i have to do so AFT can see my phone? what you can see in the attachments is all i get from AFT.. but i dont know how to stay connected
Click to expand...
Click to collapse
You can leave flash tool and xfstk open same time. I flashed with xfstk, waited some time and moves between the bootloader options. Make sure no residual adb or fastboot exes are running. Then unplug the phone and plug it back in. Then it will show up. Select the option you have and click start. See if the bootloader shows any life or incoming partitioning happening . If that doesn't work reboot to bootloader scroll around in it to make sure it's loaded , it brings in the correct serial intermittently. But I don't think it's necessary.
---------- Post added at 12:42 AM ---------- Previous post was at 12:37 AM ----------
So xfstk reboots
Xfstk round two no reboot scroll around
AFT
Unplug USB from phone and reconnect
Should show up .
Then click start. Did it give an error with that X?
Look at processes and see if it's launched adb or fastboot

Dulu93 said:
ok.. lets summarize what i did:
1. installed adb/fastboot driver package
2. installed intel dnx driver (with isocusbdriver iwasnt able to open xfstk)
3. installed asus flash tool
4. installed xfstk downloader
5. loaded fw + os with xfstk downloader (successful)
-----
6. while in bootloader i connected my phone to the pc and tried to use asus flash tool (as admin) - not listing devices
i tried every usb port i have and several different cables, nothing helps
im slowly giving up... in the attachments you have snapshots how it looks like when im connected and in fastboot mode. to make sure no dead drivers are in my way im on a freshly installed win10
EDIT: now something happened. i flashed bootloader via xfstk, then i powered off my phone and connected it again. then for a second AFT showed my serial number, but the state was a red X
after i restore my bootloader via xfstk. what do i have to do so AFT can see my phone? what you can see in the attachments is all i get from AFT.. but i dont know how to stay connected
Click to expand...
Click to collapse
I think you're close - it's flashing what's needed, and recognized the phone, although it did for me also but fastboot didn't work until the drivers with adb and fastboot. The last things I would think is reinstall the Google adb fastboot drivers with the phone connected to the USB port that got you this far, and if there is some serial no verification, look for .14 version of AFT.

Related

Problem with fastboot (ZE550ML)

Wondering if any of you guys can advise me - having strange problems with fastboot (windows 8.1 and Zenfone 2 ze550ml). Wanted to flash the pre-rooted image to my device so downloaded it and extracted to the flashtools folder and renamed system.img then hooked up my phone. Checked adb drivers were installed and adb devices command returns a code string, so assumed all was good to go with flashing. However, on entering any fastboot command it just sits at "waiting for device". Tried manually starting the phone in fastboot and then connecting it, and this did enable me to execute fastboot commands (reboot or reboot-bootloader work). However, fastboot flash system system.img just results in a message about file size and then "failed to load system.img"
kanagawaben said:
Wondering if any of you guys can advise me - having strange problems with fastboot (windows 8.1 and Zenfone 2 ze550ml). Wanted to flash the pre-rooted image to my device so downloaded it and extracted to the flashtools folder and renamed system.img then hooked up my phone. Checked adb drivers were installed and adb devices command returns a code string, so assumed all was good to go with flashing. However, on entering any fastboot command it just sits at "waiting for device". Tried manually starting the phone in fastboot and then connecting it, and this did enable me to execute fastboot commands (reboot or reboot-bootloader work). However, fastboot flash system system.img just results in a message about file size and then "failed to load system.img"
Click to expand...
Click to collapse
You need to rename the system image to system.img and put it where the fastboot file is. It's looking for it but can't find it.
No, don't think that is my problem - as I said I extracted it to the flashtools folder, so it is already where the fastboot file is. And anyway, though I'd like to solve the problem of flashing the system.img, I am kind of more interested in why I can't get past "waiting for device" without first manually entering the fastboot mode.
Cause Windows sucks. I'm on Linux and no issues. Maybe someone on Windows can chip in?
I can easily do a quick ubuntu install and try it that way if you think it might work better. At the weekend maybe. Could you give me some pointers on how to do it in linux if I do? Would be much appreciated!
kanagawaben said:
No, don't think that is my problem - as I said I extracted it to the flashtools folder, so it is already where the fastboot file is. And anyway, though I'd like to solve the problem of flashing the system.img, I am kind of more interested in why I can't get past "waiting for device" without first manually entering the fastboot mode.
Click to expand...
Click to collapse
I have encountered that problem with the "waiting for device" while I was flashing pre root rom.
Try the cmd adb devices
Then it will list the device connected to the computer...if it says not authorized, then you need to check the phone which is turned on and a pop up window with the RSA key and tap on trust this computer or something..
Then repeat adb devices and it should say allow or something..then it will allow you to flash.
(double check the commands online, I might missed something)
Nah, don't blame Windows... I flashed mine with Windows 10 and worked wonders.
Also... could it be that PC isn't USB 3.0? Perhaps system.img transfer is stopped somewhere during the copying phase?
Thanks, but actually the first time I tried it I did the adb devices command and authorised my pc on the phone. When I connect and do adb devices now it shows the string of numbers code for the device. However, still can't get past "waiting for device"
My pc has both usb 3 and usb 2 ports. Tried on all of them and with various different cables including the asus issued ones, all to no avail.
Can u post a pic of your flashtool folder?
Sent from my Nexus 7
Here is a snap of my platform-tools folder and cmd window
Did you manage to find a solution to this?
I updated the zenfone 2 via OTA to the latest system update.
Ive read and downloaded all relevant files to install the pre root img from the correct sources.
Now when I hold power + vol up. I can see the droid on its back. I choose the RECOVERY option and press power button to select.
When phone reboots it goes to droid icon and says installing system upgrade.................then error appears! No recovery mode!
All the correct drivers are installed into Windows 7, the phone asks me to allow RSA key connection to laptop.
Ive tried the flash tool installer 1.0.7 with phone connected and system img (renamed) and still nothing.
Anyone got any ideas?
Ive factory reset twice in a row and allowed debugging.
Ive placed the (renamed) system.img into the fastboot folder and tried the open command with line ' fastboot flash system system.img' and the reply is usually unable to read system.img or device waiting.
Ive installed the latest android sdk develppment kit and still unable to root using this pre root image.
Im familiar with android and how to follow instructions on rooting, but this zenfone 2 is mind boggling.
Thanks for reading. I know its someone else post. I didnt want to start a fresh post with the same dilemma.
Any advice on whats going wrong would be appreciated.
tsam19 said:
When phone reboots it goes to droid icon and says installing system upgrade.................then error appears! No recovery mode!
Click to expand...
Click to collapse
Hit power and vol up again, just really quickly. Don't hold it, just press and let go. Sometimes it takes several attempts.
hkdmjack, yes your right managed to do it at last.
Cheers
Hi guys, I am facing quite a difficult problem at the moment.
My friend has "accidentally" attempted to use an Asus Zenfone 5 rooting method to root his zenfone 2 550ML.
When I received it to take a look at it, I instantly noticed that I could not get into fast boot (or droidboot). I expected to see usual droid with text on the left side and also expected to be able to select from a number of options using the volume keys (i have some past experience), but instead am met with this solid usb logo. One like this: h ttp://zenfo ne-blog-forum.2 8820.n7.nabble.c om/file/n4 5/P_20140728_051139 .jpg (remove spaces)
I did some research, and found that there were many "bricked" zenfone 5's which were stuck on this usb logo, however this zenfone 2 can start up normally and be used throughout the day normally. Only when I try to enter fast boot, by either ADB commands or by power + volume up, I cannot get past the usb logo.
I have linked up the ZenFone to my computer, and confirmed that ADB devices correctly lists the device (I have usb debugging enabled), however, when I try to go to fast boot and am met with the usb logo, my computer does register and detect the phone, however, under device manager it has a yellow triangle with the device named "" MOOREFIELD". When the ZenFone 2 is in this usb logo state, I cannot access any fast boot commands. I am quite stumped at the moment.
Any help please? By the way, I use a windows 8.1 computer with usb 3 ports. However, I have tested using different cables, and on a windows 7 laptop with usb 2 ports, still to no avail. Should I try and update the firmware using Asus' software? Or is there a better solution?
Thanks
Edit: My friend claims that he did not see at any point in time, the flashing on the zenfone 2 start. He was faced with a "<waiting for devices>" or something similar message, telling me that the phone was not fully in fast boot yet. If I can get it into fast boot, I am sure I can reflash the custom stock onto the phone, and most issues will be resolved.
same error
i have the same error by my zenfone2 after update
please help
amohammadiazar said:
i have the same error by my zenfone2 after update
please help
Click to expand...
Click to collapse
Could you specify which update you did? From your computer? Or via Asus update on ur phone?
pkvk9122 said:
Could you specify which update you did? From your computer? Or via Asus update on ur phone?
Click to expand...
Click to collapse
my orginal firmware is CN and i wanted to change to WW mode i tried by pc .... now when i conect phone t pc it want moorefeild driver for conection and i dont have those ,,
Whenever I try to flash system.img it gets stuck on "writing 'system'..." and just hangs there. I have left it for over half an hour and it still didn't work. Does anyone know a solution to this problem?
Hey guys,
So after a while without any responses, I headed over to Asus customer service to receive a very unhelpful reply.
I gave up hope of finding an answer online and so I decided to take a leap of faith by updating the firmware via the Asus Update app on the phone.
I upgraded from 2.14 to 2.15 and miraculously fastboot seemed to have restored itself. I am not sure whether or not every single update restores fastboot, or whether the update to 2.15 does, but I'm glad that it has been fixed.
My previous problems of being unable to detect fast boot devices has been resolved. Hopefully others who have experienced the same issue can find this post helpful.

Device is not recognised by ADB/Fastboot

My device was rooted with the old method and I accidentally did an OTA update, so it's bricked right now.
I've tried to flash the pre-rooted system image, but I can't do that if my phone doesn't show up on fastboot, adb or device manager. I've tried connecting to every USB port, in the bootloader, the recovery as well as the normal boot screen (which the phone can't get past).
I've also tried installing the Intel Android drivers through the .exe file, I would do it manually but I don't think I can do that unless Device Manager detects my phone in the first place.
Is there something I'm missing here?
aloy99 said:
My device was rooted with the old method and I accidentally did an OTA update, so it's bricked right now.
I've tried to flash the pre-rooted system image, but I can't do that if my phone doesn't show up on fastboot, adb or device manager. I've tried connecting to every USB port, in the bootloader, the recovery as well as the normal boot screen (which the phone can't get past).
I've also tried installing the Intel Android drivers through the .exe file, I would do it manually but I don't think I can do that unless Device Manager detects my phone in the first place.
Is there something I'm missing here?
Click to expand...
Click to collapse
i'm not sure this link can help you but better trying than do nothing, hope our phone back to normal again
http://forum.xda-developers.com/zenfone2/general/guide-recover-fastboot-bricked-zenfone-t3284337
http://forum.xda-developers.com/zenfone2/general/guide-brick-soft-hard-bricked-zenfone-2-t3284256

Asus zenfone 2 ZE550ML is not recognized by pc in system, fastboot or recovery mode.

I keep changing roms since long time before on my oneplus devices, i bought asus zenfone 2 and tried to root the phone, it got bricked and i unbricked successfully by using xFSTK tool. device turned on like before but unable to connect to pc, even when MTP is selected it just starts charging when i connect it to pc, even tried with different types of cables still the same issue. tried in recovery and fastboot as well.
at least if it would work in fastboot then i can install twrp and add custom rom. not even able to do that.
P.S - tried even installing adb, intel drivers. problem doesn't seem to be going..
PLEASE HELP.
deejaysandee143 said:
I keep changing roms since long time before on my oneplus devices, i bought asus zenfone 2 and tried to root the phone, it got bricked and i unbricked successfully by using xFSTK tool. device turned on like before but unable to connect to pc, even when MTP is selected it just starts charging when i connect it to pc, even tried with different types of cables still the same issue. tried in recovery and fastboot as well.
at least if it would work in fastboot then i can install twrp and add custom rom. not even able to do that.
P.S - tried even installing adb, intel drivers. problem doesn't seem to be going..
PLEASE HELP.
Click to expand...
Click to collapse
flash latest Raw firmware with asus flash tool. get it from following thread.
http://forum.xda-developers.com/zenfone2/help/thead-bricked-phone-updating-to-mm-tips-t3452785
sukhwant717 said:
flash latest Raw firmware with asus flash tool. get it from following thread.
http://forum.xda-developers.com/zenfone2/help/thead-bricked-phone-updating-to-mm-tips-t3452785
Click to expand...
Click to collapse
Brother, after completing this process only i am facing this issue..
unable to connect my phone in any mode. not even to other pc.
Fast charging works?
There may be a problem with the flex cable that has the sim + sd slots on it. Costs 3$ on ebay and its very easy to replace.
pecholino said:
Fast charging works?
There may be a problem with the flex cable that has the sim + sd slots on it. Costs 3$ on ebay and its very easy to replace.
Click to expand...
Click to collapse
No, fast charging was not working after the process in xFSTK tool. it would take around 8 hours to get 100 %
deejaysandee143 said:
Brother, after completing this process only i am facing this issue..
unable to connect my phone in any mode. not even to other pc.
Click to expand...
Click to collapse
i said flash raw firmware again.. you will overcome the issue! which version you are currently on?
sukhwant717 said:
i said flash raw firmware again.. you will overcome the issue! which version you are currently on?
Click to expand...
Click to collapse
The phone doesn't boots normally, and neither connects in fastboot nor in recovery. only shows error. its version 5
deejaysandee143 said:
The phone doesn't boots normally, and neither connects in fastboot nor in recovery. only shows error. its version 5
Click to expand...
Click to collapse
then you have to use xfstk again..you can not do anything until you are able to go into fastboot mode. flash xfstk again and again until you enter fastboot mode
sukhwant717 said:
then you have to use xfstk again..you can not do anything until you are able to go into fastboot mode. flash xfstk again and again until you enter fastboot mode
Click to expand...
Click to collapse
I can enter only in fastboot mode but fastboot wont be detected in adb, as i mentioned it's not getting recognized..
Well I am having the same simptoms since the sdcard slot got burned. No fast charging and no pc recognition. I am currently waiting for the flex cable so I can fix it

zenfone 2 usb problem? No bootloader, or xfstk, still boots to OS

Hey everyone hopefully someone has an idea what is wrong with this phone.
I cannot enter the bootloader it keeps blinking and eventually just goes to the official recovery.
Tried going into xfstk (which i have used before), cant connect get usb drive has malfunctioned on computer.
Inside the OS (6.0) when i plug it in to the computer i get cant connect get usb drive has malfunctioned on computer.
I tried replacing the usb board same thing.
Also quick charge doesnt work anymore (im guess all related).
Is it a mobo problem, or any other things i can try?
Have you tried ? , update from sd card --putting the firmware you are on or the next updated version ,on ext sd before booting into recovery and updating ,
i have tried this method recently , hope it works for you ?
sharkie545 said:
Hey everyone hopefully someone has an idea what is wrong with this phone.
I cannot enter the bootloader it keeps blinking and eventually just goes to the official recovery.
Tried going into xfstk (which i have used before), cant connect get usb drive has malfunctioned on computer.
Inside the OS (6.0) when i plug it in to the computer i get cant connect get usb drive has malfunctioned on computer.
I tried replacing the usb board same thing.
Also quick charge doesnt work anymore (im guess all related).
Is it a mobo problem, or any other things i can try?
Click to expand...
Click to collapse
here are few things you can try.
1. enable usb debugging and connect your phone to PC.
now assuming you already got adb and fastboot driver on pc..
run command adb reboot-bootloader
if this does not work. try other method.
2. download droidboot.img firmware image and place in in root of your phone
download turminal on phone. now run terminal emulator and run the following commands one by one. wait for little time after every command.
$ su
# dd if=/sdcard/droidboot.img of=/dev/block/mmcblk0p13
# reboot bootloader
third you can try updating firmwware via recovery as timbernot suggested. if it fails as well. then xfstk is needed.
there may be chance your fastboot partition is wasted. i have never tried to erase in via adb. i will try to erase it via adb and tell you if got success
timbernot said:
Have you tried ? , update from sd card --putting the firmware you are on or the next updated version ,on ext sd before booting into recovery and updating ,
i have tried this method recently , hope it works for you ?
Click to expand...
Click to collapse
I tried to apply update via recovery. Same problem.
sukhwant717 said:
here are few things you can try.
1. enable usb debugging and connect your phone to PC.
now assuming you already got adb and fastboot driver on pc..
run command adb reboot-bootloader
if this does not work. try other method.
2. download droidboot.img firmware image and place in in root of your phone
download turminal on phone. now run terminal emulator and run the following commands one by one. wait for little time after every command.
$ su
# dd if=/sdcard/droidboot.img of=/dev/block/mmcblk0p13
# reboot bootloader
third you can try updating firmwware via recovery as timbernot suggested. if it fails as well. then xfstk is needed.
there may be chance your fastboot partition is wasted. i have never tried to erase in via adb. i will try to erase it via adb and tell you if got success
Click to expand...
Click to collapse
I'm not rooted, so with su? Nothing happens.
Xfstk was my first choice, but when I plug my phone into computer I can never get the phone to connect (get USB drive has malfunctioned). I have used it successfully before.
I can't enable USB debugging either for some reason. Once it says developer options enabled. I cannot find developer options.
Tapping build number numerous times ?
Nothing ?
---------- Post added at 01:13 PM ---------- Previous post was at 12:56 PM ----------
sharkie545 said:
[/HIDE]
I tried to apply update via recovery. Same problem.
[/HIDE]
I'm not rooted, so with su? Nothing happens.
Xfstk was my first choice, but when I plug my phone into computer I can never get the phone to connect (get USB drive has malfunctioned). I have used it successfully before.
I can't enable USB debugging either for some reason. Once it says developer options enabled. I cannot find developer options.
Click to expand...
Click to collapse
re update from sd , firmware UL- blah blah , put another .zip on the end , so should read as user.zip.zip
Wipe data first cache too and try again
timbernot said:
Tapping build number numerous times ?
Nothing ?
---------- Post added at 01:13 PM ---------- Previous post was at 12:56 PM ----------
re update from sd , firmware UL- blah blah , put another .zip on the end , so should read as user.zip.zip
Wipe data first cache too and try again
Click to expand...
Click to collapse
Ill try reflashing again, as i said reflashing works but still same problems. - didnt wipe data though - so will give that a try.
USB developers showed this time oddly enough, but still get A request for the USB device descriptor failed. on computer when i plug it in. (two diff computers - drivers installed - different cords - windows 7 and 10)
sharkie545 said:
Ill but still get A request for the USB device descriptor failed. on computer when i plug it in)
Click to expand...
Click to collapse
You have to tick the box on screen of phone to allow it to make contact with the pc , maybe your phone screen timed out and you missed the pop up on phone? , set phone screen to time out for a couple of mins and attempt again
:good:
Ps the wipe data , can take a while
sharkie545 said:
Ill try reflashing again, as i said reflashing works but still same problems. - didnt wipe data though - so will give that a try.
USB developers showed this time oddly enough, but still get A request for the USB device descriptor failed. on computer when i plug it in. (two diff computers - drivers installed - different cords - windows 7 and 10)
Click to expand...
Click to collapse
well seems like you have broken partition. need to flash xfstk. as it is booting properly you will not get it detected as moorefield. but even though install soc driver. then run xfstk. load files and click begin download. now connect your phone to pc in switch off mode and turn on
timbernot said:
You have to tick the box on screen of phone to allow it to make contact with the pc , maybe your phone screen timed out and you missed the pop up on phone? , set phone screen to time out for a couple of mins and attempt again
:good:
Ps the wipe data , can take a while
Click to expand...
Click to collapse
Unfortunately, still same problem yea it does take a long time lol never understood why. - wiped, clean install same problem. No popsups on phone ever just goes device has malfunctioned on computer.
sukhwant717 said:
well seems like you have broken partition. need to flash xfstk. as it is booting properly you will not get it detected as moorefield. but even though install soc driver. then run xfstk. load files and click begin download. now connect your phone to pc in switch off mode and turn on
Click to expand...
Click to collapse
Unfortunately i have tried that a dozen times, i know its supposed to from a off phone when you turn it on theres a delay from your phone actually turning on till when you see the asus logo, this is when xfstk takes over - but even then i get device malfunctioned on computer - (begin download mode is on).
sharkie545 said:
[/HIDE]
Unfortunately, still same problem yea it does take a long time lol never understood why. - wiped, clean install same problem. No popsups on phone ever just goes device has malfunctioned on computer.
[/HIDE]
Unfortunately i have tried that a dozen times, i know its supposed to from a off phone when you turn it on theres a delay from your phone actually turning on till when you see the asus logo, this is when xfstk takes over - but even then i get device malfunctioned on computer - (begin download mode is on).
Click to expand...
Click to collapse
Can you confirm build /date info ?
timbernot said:
Can you confirm build /date info ?
Click to expand...
Click to collapse
Build Number: MMB29P.WW-ASUS_Z00A-4.21.40.184_0577_user
Kernel: 3.10.72-x86_64_moor-gcb00463
sharkie545 said:
Build Number: MMB29P.WW-ASUS_Z00A-4.21.40.184_0577_user
Kernel: 3.10.72-x86_64_moor-gcb00463
Click to expand...
Click to collapse
edit my mistake you are on 6.0 already
Out of ideas , cannot help but think its something simple , even tho developers options is ticked , is USB debugging ticked lower down ? Going back to home screen - swipe down and flick thru different options, camera- charge only- file transfer ?
Driver issue but doesnt explain it happening on other pc`s so seems more like ^^^
Then again if a USB hardware issue on phone, usb charge board -- i havent witnessed it so not able to comment.
If i come up with any ideas i will post - goodluck
I am going to try something on my own fone first before i let you know
I am going to attempt the official downgrade version of LP WW-52.20.40.196 from .144 M - via sd card and update from sd in recovery , with the view of updating/downgrading droidboot in the process- i have just managed the downgrade from .184 M to .144 via same method which is nice to learn
@sharkie545
Success -- Downgrade of MM to LP works with the downgrade firmware above works via update from sd in MM recovery ------- Marvelous
Stays on` updating IFWI ` for approx 8 mins but after that - bingo !
It also erases data after which it didnt updating in same OS
Also , i set it up -- after a reboot , detected .134 and ..144 and .184 MM update packages
timbernot said:
edit my mistake you are on 6.0 already
Out of ideas , cannot help but think its something simple , even tho developers options is ticked , is USB debugging ticked lower down ? Going back to home screen - swipe down and flick thru different options, camera- charge only- file transfer ?
Driver issue but doesnt explain it happening on other pc`s so seems more like ^^^
Then again if a USB hardware issue on phone, usb charge board -- i havent witnessed it so not able to comment.
If i come up with any ideas i will post - goodluck
I am going to try something on my own fone first before i let you know
I am going to attempt the official downgrade version of LP WW-52.20.40.196 from .144 M - via sd card and update from sd in recovery , with the view of updating/downgrading droidboot in the process- i have just managed the downgrade from .184 M to .144 via same method which is nice to learn
@sharkie545
Success -- Downgrade of MM to LP works with the downgrade firmware above works via update from sd in MM recovery ------- Marvelous
Stays on` updating IFWI ` for approx 8 mins but after that - bingo !
It also erases data after which it didnt updating in same OS
Also , i set it up -- after a reboot , detected .134 and ..144 and .184 MM update packages
Click to expand...
Click to collapse
Im going to try a few things first, i believe it has to do with the chip, or ribbon cable or IC chip. So im going to try to purchase a broken asus zenfone 2 (lcd problem) and swap some parts see if it fixes it. If it does well i know thats the problem. As i believe this is hardware related.
sharkie545 said:
[/HIDE]
Im going to try a few things first.
Click to expand...
Click to collapse
Wow just wow !!!!!!!!
timbernot said:
Wow just wow !!!!!!!!
Click to expand...
Click to collapse
Hehehe I appreciate the help. I have reformated many times lol. But since xfstk cannot be detected either (moorfield USB drive has malfunctioned) leads me to believe it has to be hardware related. Since moorfield is irrelevant of software/bootloader. It's kinda like the ultimate savour. Saved me out of some hetic problems before. (Leading me to wipe me imei #s lol which I had to than learn how to reprogram back lol)
Thank you again.
As the saying goes 'nothing ventured ......'
At least for all my hard work I found a way to downgrade from MM to LP with no PC , which obviously rewrites boot loader
Thank you
And you are two minutes away from finding out , should you decide to gamble like me
Although I have many phones to fall back on

No ADB. No TWRP. No Magisk. Am I screwed?

Basically, I installed Havoc OS, tried flashing a couple kernels, kept getting systemui crashes, so I decided to dirty flash HavocOS again, and forgot to flash TWRP again before I exited TWRP.
Next, I boot back into my phone, opened Magisk Manager to find that Magisk is not installed, just the manager. I can't install Magisk as I have no TWRP...Which leads me to my next point, trying to boot into recovery brings me no avail as I forgot to flash TWRP. I have zero recovery right now.
Thirdly, HavocOS Suffers from the whole issue of needing SELinux set to permissive, for ADB to work...I can't do that, because I don't have Magisk/root.
Please tell me that someone has an idea here? I'd like to get TWRP back, or back to 100% stock and I can start over, or something other than a custom rom with serious SystemUI crashes and no root...
SOS!
This is not even close to a softbrick. Just boot TWRP using Fastboot and flash the zip from inside TWRP to install it. Also, there are various other solutions to fix your problem. Another one would be to simply use Deuces Recovery Script and go back to Stock.
As d-m-x stated boot twrp with fastboot boot not fastboot flash. Twrp will load into the phone then you can flash twrp and magisk.
I'd tried Fastboot already, will try again momentarily though.
D-m-x said:
This is not even close to a softbrick. Just boot TWRP using Fastboot and flash the zip from inside TWRP to install it. Also, there are various other solutions to fix your problem. Another one would be to simply use Deuces Recovery Script and go back to Stock.
Click to expand...
Click to collapse
Fastboot hasn't worked either. Unless I'm doing something wrong, but I just get "waiting for any device" despite having adb on/off, being in bootloader/fastboot mode or being booted into android, etc.
For Fastboot to work you have to be in the Bootloader Menu. How did you unlock and root your Phone in the first place? That should have taken you through those steps.
Anyways, it's likely that the computer just doesn't recognize the phone. Connect it and go into your Device Manager and see if it's properly recognized. If not install the correct USB Drivers and try again. If everything is set up correctly you can type "fastboot devices" while in the bootloader and you should see your Devices address which means it is connected and ready. Then boot TWRP as stated and install the zip from within.
D-m-x said:
For Fastboot to work you have to be in the Bootloader Menu. How did you unlock and root your Phone in the first place? That should have taken you through those steps.
Anyways, it's likely that the computer just doesn't recognize the phone. Connect it and go into your Device Manager and see if it's properly recognized. If not install the correct USB Drivers and try again. If everything is set up correctly you can type "fastboot devices" while in the bootloader and you should see your Devices address which means it is connected and ready. Then boot TWRP as stated and install the zip from within.
Click to expand...
Click to collapse
Bootloader is unlocked etc. I initially did everything using the P2XLToolskit 2.0
You're correct, I think its simply a case of the PC not recognizing the device. I've already checked device manager, and it's not properly installing the device. I've multiple times tried reinstalling the universal driver, and various other fixes. I think it relates to the whole issue of HavocOS being screwy about USB. Many people have reported issues with USB recognition issues when ADB is turned on. The consensus from how I understand it, is that ADB ON = Phone won't be recognized. ADB OFF = Device should be recognized for file/data transfer...However even with ADB off my PC is still not installing drivers properly / recognizing the device.
The Device Manager lists my device as "Unknown USB Device (Device Descriptor Request Failed)"
Also tried:
1. Go to C:\Windows\INF
2. Find the file "wpdmtp.inf"
3. Right click the file and click 'Install'
4. Once that is done, simply plug your phone and it should work.
^ did not work.
Dragostini said:
Bootloader is unlocked etc. I initially did everything using the P2XLToolskit 2.0
You're correct, I think its simply a case of the PC not recognizing the device. I've already checked device manager, and it's not properly installing the device. I've multiple times tried reinstalling the universal driver, and various other fixes. I think it relates to the whole issue of HavocOS being screwy about USB. Many people have reported issues with USB recognition issues when ADB is turned on. The consensus from how I understand it, is that ADB ON = Phone won't be recognized. ADB OFF = Device should be recognized for file/data transfer...However even with ADB off my PC is still not installing drivers properly / recognizing the device.
The Device Manager lists my device as "Unknown USB Device (Device Descriptor Request Failed)"
Also tried:
1. Go to C:\Windows\INF
2. Find the file "wpdmtp.inf"
3. Right click the file and click 'Install'
4. Once that is done, simply plug your phone and it should work.
^ did not work.
Click to expand...
Click to collapse
Have you tried different USB A to USB C cables and ports?
Dragostini said:
Bootloader is unlocked etc. I initially did everything using the P2XLToolskit 2.0
You're correct, I think its simply a case of the PC not recognizing the device. I've already checked device manager, and it's not properly installing the device. I've multiple times tried reinstalling the universal driver, and various other fixes. I think it relates to the whole issue of HavocOS being screwy about USB. Many people have reported issues with USB recognition issues when ADB is turned on. The consensus from how I understand it, is that ADB ON = Phone won't be recognized. ADB OFF = Device should be recognized for file/data transfer...However even with ADB off my PC is still not installing drivers properly / recognizing the device.
The Device Manager lists my device as "Unknown USB Device (Device Descriptor Request Failed)"
Also tried:
1. Go to C:\Windows\INF
2. Find the file "wpdmtp.inf"
3. Right click the file and click 'Install'
4. Once that is done, simply plug your phone and it should work.
^ did not work.
Click to expand...
Click to collapse
Try these troubleshooting steps:
- make sure you're running the LATEST SDK Tools
- Try diff USB cables (switch from 2.0 to 3.0, or vice versa)
- Try a diff USB port
- Make sure you're in the proper fastboot folder with the fastboot application
- Boot into bootloader type fastboot devices see if you get a serial number
In my sig is a link for troubleshooting, and step by step that includes links to get latest SDK Tools.
If all else fails, I'd reco a fresh factory image install and get back to your cust Rom from there, rather than spend a day or two chasing ghosts.
Good luck!
Az Biker said:
Try these troubleshooting steps:
- make sure you're running the LATEST SDK Tools
- Try diff USB cables (switch from 2.0 to 3.0, or vice versa)
- Try a diff USB port
- Make sure you're in the proper fastboot folder with the fastboot application
- Boot into bootloader type fastboot devices see if you get a serial number
In my sig is a link for troubleshooting, and step by step that includes links to get latest SDK Tools.
If all else fails, I'd reco a fresh factory image install and get back to your cust Rom from there, rather than spend a day or two chasing ghosts.
Good luck!
Click to expand...
Click to collapse
Spoke with Google; getting the phone RMA. Blatantly told the guy it was rooted previously, bootloader unlocked, and running a custom ROM. He said it didn't matter. I will report back on this thread once I have new phone in hand, just to confirm all went well.
Reporting back.
Brought phone to virgin mobile, obviously still heavily modified.
Was given a loaner phone. Signed a paper saying I'd pay 150 for the loaner if it broke. Broke loaner screen same day.
Just picked up a brand new pixel 2 xl they shipped (phone only) because mine was considered unrepairable. I was charged 169 for the loaner phone, to my account with virgin. No cash transaction.
All in all, they honoured googles view of not minding the modifications so long as it's an issue they don't feel is related.
Cheers.

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