Need Help My Phone stuck in fastboot mode. - Desire 820 Q&A, Help & Troubleshooting

Hi,
a couple of weeks back i rooted the phone (HTC DESIRE 820 dual sim) with twrp recovery. I was looking to find some custom lollipop rom. Yday official OTA update was released and i downloaded it. Tried installing it but it would not install the update.
I extracted the OTA.zip file using winrar and then firmware.zip file. I used the recovery.img and flashed it using flashify app from the play store. Tried installing OTA update now, still no success.
Then using the same app i tried to flash the boot.img file. This is where is problem started. It will not go beyond the fastboot.
I tried reflash the entire firmware.zip using
fastboot flash zip firmware.zip
I get this error.
FAILED (remote: 12 signature verify fail)
How can i fix this. Hope i have not bricked the device. Please can someone Help

Stock ROM HTC 820 dual sim (INDIA) (4.4)found, fixed my device
i found the stock rom and was was able to fix my device. Please not the stock rom is for only India specific device.The link to stock rom is
https://mega.nz/#!ccAwHCIb!pfI1rxoQQr79Q9YMr3KA6yms6klsfyMjrO35qSOq4Mg
The steps i used to flash rom
fastboot devices
fastboot oem rebootRUU
fastboot flash zip <zip file>
fastboot reboot
After flashing , i have also update htc 820 to lollipop update, no issues. Everything works fine.

can you plz explain all steps to solve this problem..

Related

[SOLVED] Continous restarts after bootloader unlock :(

I updated the phone and unlocked the bootloader through htcdev.com. All went good and the phone was working perfectly for a couple of hours an then it suddenly started restarting over and over again.
Downloaded:
RUU_Marvel_S_HTC_Europe_2.13.401.2_Radio_47.23a.35.3035H_7.53.39.03M_release_225747_signed
and tried to install it and the process fails.
RUU
Security Fail
Update Fail
I even tried to download the PG76IMG.zip (the extracted files from the latest RUU) and it fails to update through htc recovery.
Anyone with the same problems, or anyone with a good solution?
HTC Wildefire S A510e S-ON Unlocked Bootloader
EDIT:
Pushed the files through fasboot, these 3 files (from the latest euro RUU)
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img
So far so good! I'm in and everything looks to be going good.

IMEI blank

I make update firmware via adb reboot oem-78
fastboot flash zip PJ46IMG.zip and install custom rom OrDroid_8.3.0.zip
I am now at version 3.09.401.100 how I can to install offical rom I have CID____Y13
my phone now boot but without baseband
and no network
mhammadleo said:
I make update firmware via adb reboot oem-78
fastboot flash zip PJ46IMG.zip and install custom rom OrDroid_8.3.0.zip
I am now at version 3.09.401.100 how I can to install offical rom I have CID____Y13
my phone now boot but without baseband
and no network
Click to expand...
Click to collapse
did you flash the boot.img?
Try re flash with jb flasher that should solve any installation problems you may have
Sent from Renovated HOX with premium XDA
no I don't try to flash this boot many thanks for your care

Flashed recovery as boot.img

Hello everyone,
After having unlocked the boot loader I flashed via fast boot TWRP. The only problem is that I flashed "fastboot flash BOOT recovery.img" instead of RECOVERY... I wasn't paying enough attention...
The phone still boots but it goes straight to recovery. What can I do? Fast boot still recognizes it. I was thinking of extracting the boot.img file from a sense based rom like android revolution HD for the m8 or putting the whole rom android revolution HD on an sd card and flashing via recovery. In other threads users had already flashed a custom rom so they could flash the boot.img extracting it from that but I don't know since I still had the stock unlocked rom.
Would one of these solutions solve the problem?
u can try fastboot flash boot whateverbootloader.img otherwise try fastboot rebootRUU and try flashing hboot from within a ruu zip or wait for HTC to release official RUU
djkinetic said:
u can try fastboot flash boot whateverbootloader.img otherwise try fastboot rebootRUU and try flashing hboot from within a ruu zip or wait for HTC to release official RUU
Click to expand...
Click to collapse
I'll try flashing a boot.img, the other solution is beyond my current skills...
Just extract the boot.img from the ROM you were using. If stock, download one of the stock Roms and then extract the boot.IMG from it and then
fastboot flash boot boot.img
Obviously the boot.img will need to be in your fastboot/adb folder.
Sent from my HTC One_M8 using xda app-developers app
thank you both, I flashed the correct boot.img and everything is fine now
djkinetic said:
u can try fastboot flash boot whateverbootloader.img otherwise try fastboot rebootRUU and try flashing hboot from within a ruu zip or wait for HTC to release official RUU
Click to expand...
Click to collapse
What... He just needs to flash a kernel, why potentially cause someone to brick their device by flashing a hboot which wouldn't even solve the issue?
where did you get the boot.img file ? care to share it I am stuck too. My phones is from Rogers
tawer said:
where did you get the boot.img file ? care to share it I am stuck too. My phones is from Rogers
Click to expand...
Click to collapse
Go to my backup thread and get a nandroid ....the kernel is inside the backup.
Thank you so much.

OTA upate (rooted, original ROM)

Hi
I haven't found anything exactly specific to my situation, I hope I haven't missed it and that someone can help.
I have rooted my M8 but haven't flashed a ROM so I'm still running HTC's original system but the recent update 1.54.401.10 won't update, it boots to clockwork mod, says installation aborted and to send the error file to Phil3759 (which I can't as he doesn't accept PMs). Is there a way around this, or can you not use updates if you're rooted even though you've not changed the ROM?
stevoh84 said:
Hi
I haven't found anything exactly specific to my situation, I hope I haven't missed it and that someone can help.
I have rooted my M8 but haven't flashed a ROM so I'm still running HTC's original system but the recent update 1.54.401.10 won't update, it boots to clockwork mod, says installation aborted and to send the error file to Phil3759 (which I can't as he doesn't accept PMs). Is there a way around this, or can you not use updates if you're rooted even though you've not changed the ROM?
Click to expand...
Click to collapse
You need to flash your stock recovery. http://forum.xda-developers.com/showthread.php?t=2707877 Grab your recovery and
fastboot flash recovery recovery.img
fastboot erase cache
fastboot reboot
Then update and flash back your custom recovery when finished. If you have any apps frozen you need to unfreeze them before update.
stevoh84 said:
... it boots to clockwork mod,
Click to expand...
Click to collapse
The portion I quoted is your problem. OTA's won't work with custom recoveries. You'll have to restore the stock recovery... There's a thread with a list of stock recoveries for almost every carrier/model you should reference.
Gary
None of the downloads on the recovery thread I've tried seem to work. I will leave it for now the update doesn't seem massively important. If it gets to that point I can always get into custom ROMS. Thanks though
Extract recovery.IMG from firmware.zip from ota file. Flash that and you should be good to go
stevoh84 said:
None of the downloads on the recovery thread I've tried seem to work. I will leave it for now the update doesn't seem massively important. If it gets to that point I can always get into custom ROMS. Thanks though
Click to expand...
Click to collapse
http://android-revolution-hd.blogspot.co.uk/p/android-revolution-hd-mirror-site-var.html
or try the recovery from there
stevoh84 said:
None of the downloads on the recovery thread I've tried seem to work. I will leave it for now the update doesn't seem massively important. If it gets to that point I can always get into custom ROMS. Thanks though
Click to expand...
Click to collapse
What do you mean they don't work? In what way?
1. Download this recovery - 1.54.401.5 and rename it recovery.img (not recovery.img.img)
2. Boot phone into fastboot and connect to PC
3. Flash recovery using fastboot flash recovery recovery.img
4. Reboot phone
5. Apply OTA update
stevoh84 said:
Hi
I haven't found anything exactly specific to my situation, I hope I haven't missed it and that someone can help.
I have rooted my M8 but haven't flashed a ROM so I'm still running HTC's original system but the recent update 1.54.401.10 won't update, it boots to clockwork mod, says installation aborted and to send the error file to Phil3759 (which I can't as he doesn't accept PMs). Is there a way around this, or can you not use updates if you're rooted even though you've not changed the ROM?
Click to expand...
Click to collapse
I had the exact same situation as yours and I was also struggling through the same issue and this is how I resolved it.
Download the new OTA update zip file on your PC (1.54.401.10). You can download it from here:
https://www.hightail.com/download/ZUczc0w1MHdFc0lLSk5Vag
Then, from your PC, while your HTC ONE M8 is connected, run the following commands:
adb reboot-bootloader
fastboot oem rebootRUU
fastboot flash zip firmware.zip <<-- change the name with the actual firmware filename
fastboot flash zip firmware.zip <<-- yes, you'll have to do it twice, don't ask me why but this is what i've read on different forums
fastboot reboot
Now, once you reboot your phone, it'll still show you the old software revision. But, the good part is, now you'll be able to install the OTA using the pop-up you see on the notification bar.
Please let me know if this doesn't work and I'll be happy to help you further.
Good luck!
malikons said:
I had the exact same situation as yours and I was also struggling through the same issue and this is how I resolved it.
Download the new OTA update zip file on your PC (1.54.401.10). You can download it from here:
https://www.hightail.com/download/ZUczc0w1MHdFc0lLSk5Vag
Then, from your PC, while your HTC ONE M8 is connected, run the following commands:
adb reboot-bootloader
fastboot oem rebootRUU
fastboot flash zip firmware.zip <<-- change the name with the actual firmware filename
fastboot flash zip firmware.zip <<-- yes, you'll have to do it twice, don't ask me why but this is what i've read on different forums
fastboot reboot
Now, once you reboot your phone, it'll still show you the old software revision. But, the good part is, now you'll be able to install the OTA using the pop-up you see on the notification bar.
Please let me know if this doesn't work and I'll be happy to help you further.
Good luck!
Click to expand...
Click to collapse
1. That's my link
2. That's only the firmware and not the full OTA
What I posted earlier on will do the job for the OP
EddyOS said:
1. Download this recovery - 1.54.401.5 and rename it recovery.img (not recovery.img.img)
2. Boot phone into fastboot and connect to PC
3. Flash recovery using fastboot flash recovery recovery.img
4. Reboot phone
5. Apply OTA update
Click to expand...
Click to collapse
This worked a treat thanks!
malikons said:
I had the exact same situation as yours and I was also struggling through the same issue and this is how I resolved it.
Download the new OTA update zip file on your PC (1.54.401.10). You can download it from here:
https://www.hightail.com/download/ZUczc0w1MHdFc0lLSk5Vag
Then, from your PC, while your HTC ONE M8 is connected, run the following commands:
adb reboot-bootloader
fastboot oem rebootRUU
fastboot flash zip firmware.zip <<-- change the name with the actual firmware filename
fastboot flash zip firmware.zip <<-- yes, you'll have to do it twice, don't ask me why but this is what i've read on different forums
fastboot reboot
Now, once you reboot your phone, it'll still show you the old software revision. But, the good part is, now you'll be able to install the OTA using the pop-up you see on the notification bar.
Please let me know if this doesn't work and I'll be happy to help you further.
Good luck!
Click to expand...
Click to collapse
I took EddyOS up on his advice as his post was first. thanks for the post though.
Hi all,
My m8 is flashed with Viper 1.6. I however decided to try to OTA update, to get the newest radio etc. I am however unable to flash this.
I flashed the stock recovery, however the update does not succeed via fastboot. Error 99 something.
Are you able to guide me how to do this update. Is it at all possible, when not running a stock rom?
malikons said:
I had the exact same situation as yours and I was also struggling through the same issue and this is how I resolved it.
Download the new OTA update zip file on your PC (1.54.401.10). You can download it from here:
https://www.hightail.com/download/ZUczc0w1MHdFc0lLSk5Vag
Then, from your PC, while your HTC ONE M8 is connected, run the following commands:
adb reboot-bootloader
fastboot oem rebootRUU
fastboot flash zip firmware.zip <<-- change the name with the actual firmware filename
fastboot flash zip firmware.zip <<-- yes, you'll have to do it twice, don't ask me why but this is what i've read on different forums
fastboot reboot
Now, once you reboot your phone, it'll still show you the old software revision. But, the good part is, now you'll be able to install the OTA using the pop-up you see on the notification bar.
Please let me know if this doesn't work and I'll be happy to help you further.
Good luck!
Click to expand...
Click to collapse
i have HTC m8 Rooted on the stock ROM and i got the same update OTA
now , after i apply your method ,will this method remove the root ?
or it will just remove the Costume recovery ?

[Q] Do I need to flash boot.img via fastboot?

I've been using the HTC Desire HD for a long time, and I was wondering if things I've learnt with that phone are still relevant.
With the DHD, if the phone was S-ON (but with an unlocked bootloader and a custom recovery), whenever flashing a new ROM it was necessary to extract the boot.img file from the zip and flash it manually by using: fastboot flash boot boot.img.
That was because a custom recovery couldn't flash a custom kernel while the device was S-ON.
Is that also the case with an M8 device that stays S-ON?
Or is a custom recovery now able to write any custom kernel regardless of being S-ON/S-OFF?
Thanks!
Indeed
s-on = Flash kernel via fastboot
s-off = kernel is flashed via rom/recovery
Thank you for the quick reply!
quick question..if what you say is true..if s on flash kernal in fastboot..if s off just flash normally threw recovery...why in captins thread with his GPE rom..says s off users must flash boot.img in fastboot?...i was about to try his rom ,before i got to that part..i am s off and ive never had to flash a boot.img threw fastboot before flashing the rom....next question..do i need to unpack the rom zip ,extract the boot.img flash it in fastboot..then repack the zip and flash again in recovery?ive never had to do this..i thought i would see a boot.img zip as a seperate download wouldve been lot easier...ive never unpacked a zip to extract a boot.img before...so i had to back out for now..can someone plz give me step by step directions how to flash captins GPE rom..really appreciate it..and i know im in the correct section to ask such a newbie question..thanks in advance
is this still true with modern Marshmallow/Nougat ROMs (and their associated firmware updates)? the device is unlocked and S-ON?
example: I just flashed ViperROM v6.1 on Tmobile M8 with v6.2 firmware and separate flash of boot.img NOT required.
In fact, I validated theory by doing the traditional procedure and result as phone that did not boot.
traditional procedure: flash ROM via TWRP and reboot direct into bootloader and fastboot. then finalize by manual flash of boot.img via fastboot. boot.img pulled from root directory of ROM zip.
any insight would be appreciated. -GA
Mr Hofs said:
Indeed
s-on = Flash kernel via fastboot
s-off = kernel is flashed via rom/recovery
Click to expand...
Click to collapse
gads1 said:
is this still true with modern Marshmallow/Nougat ROMs (and their associated firmware updates)? the device is unlocked and S-ON?
example: I just flashed ViperROM v6.1 on Tmobile M8 with v6.2 firmware and separate flash of boot.img NOT required.
In fact, I validated theory by doing the traditional procedure and result as phone that did not boot.
traditional procedure: flash ROM via TWRP and reboot direct into bootloader and fastboot. then finalize by manual flash of boot.img via fastboot. boot.img pulled from root directory of ROM zip.
Click to expand...
Click to collapse
No need to flash boot.img separately using fastboot (with s-on).
But it shouldn't hurt anything, either. It's just a redundant step, as you are just flashing the same boot.img that TWRP is already installing.
Try it again, without flashing boot.img separately. But I have a feeling something else is causing no boot. Make sure you are using current TWRP (version 3.1) with default TWRP wipe (cache, dalvik and data), or try another ROM.

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