Nexus 5x display is scrambled after rolling back from android n developer preview2 - Nexus 5X Q&A, Help & Troubleshooting

Hi All,
Request all to provide any suggestions related to the below issue:
I rolled back from android n preview 2 to android m after which my display is scrambled.I am not able to view any thing on it.
But I am getting calls and able to pick them when I roughly expect the place where I can swipe the dialer right to pick the call.
Few things that I want to highlight is :
1)I had unstable wifi connection while downloading the android m OTA.
2)I removed the unlock bootloader check before rolling back in the developer options.
3)I can also sense that i am able to take screen shots when I am holding the power button and the volume down button based on the sound it normally makes (while capturing screenshots)
I am not able to come to conclusion whether this a hardware issue?(may be i need the replacement of the screen) or can it be due to corrupt ota file update?
Any suggestions would be much appreciated.
thanks

I would first see if flashing the m factory image solves the issue. Then look at hardware.

k.s.deviate said:
I would first see if flashing the m factory image solves the issue. Then look at hardware.
Click to expand...
Click to collapse
thank you but the problem is I am not able to see the screen at all and hence I am not able to go to the fastboot mode or recovery mode.

NeverBackDown said:
thank you but the problem is I am not able to see the screen at all and hence I am not able to go to the fastboot mode or recovery mode.
Click to expand...
Click to collapse
use "adb reboot bootloader" from command prompt to enter bootloader or if you know the device is off, press power + vol up + vol down for roughly 5sec, thatll get into bootloader. than flash factory image.
or last case scenario use wug fresh toolkit to force flash the image, make sure you select the device fails to boot box (I think that's what its called, the only other one states "device on/normal" <-- so NOT that one)

k.s.deviate said:
use "adb reboot bootloader" from command prompt to enter bootloader or if you know the device is off, press power + vol up + vol down for roughly 5sec, thatll get into bootloader. than flash factory image.
or last case scenario use wug fresh toolkit to force flash the image, make sure you select the device fails to boot box (I think that's what its called, the only other one states "device on/normal" <-- so NOT that one)
Click to expand...
Click to collapse
Thanks I am first looking for type c to usb to connect it to my computer,I will try for it tomorrow and also the first option you provided will work only if usb debugging is already enabled on my phone ,right?

NeverBackDown said:
Thanks I am first looking for type c to usb to connect it to my computer,I will try for it tomorrow and also the first option you provided will work only if usb debugging is already enabled on my phone ,right?
Click to expand...
Click to collapse
yes, the adb command will only work if debugging is on. Once in bootlader, use fastboot commands, debugging doesn't matter at that point.

k.s.deviate said:
yes, the adb command will only work if debugging is on. Once in bootlader, use fastboot commands, debugging doesn't matter at that point.
Click to expand...
Click to collapse
Hi All,
I got the cable ,I had everything to flash the official factory images.But the problem is as mentioned earlier I haven't checked the oem unlock in the developer option and this is not allowing to flash the factory images and fastboot flashing unlock is failing.
Is there any work around for this please?

NeverBackDown said:
Hi All,
I got the cable ,I had everything to flash the official factory images.But the problem is as mentioned earlier I haven't checked the oem unlock in the developer option and this is not allowing to flash the factory images and fastboot flashing unlock is failing.
Is there any work around for this please?
Click to expand...
Click to collapse
Not that I'm aware of. Sorry, there is a thread on here that may prove useful that deals with bricked phones with OEM unlocked off. The info there might help you at least get back to stock.

k.s.deviate said:
Not that I'm aware of. Sorry, there is a thread on here that may prove useful that deals with bricked phones with OEM unlocked off. The info there might help you at least get back to stock.
Click to expand...
Click to collapse
In that case ,do you think the service center guys have some other means to deal with if it is a software issue?

NeverBackDown said:
In that case ,do you think the service center guys have some other means to deal with if it is a software issue?
Click to expand...
Click to collapse
Possibly, I have no experience dealing with a service center unfortunately.

NeverBackDown said:
In that case ,do you think the service center guys have some other means to deal with if it is a software issue?
Click to expand...
Click to collapse
I also want to highlight that,I am getting a black screen on the fastboot mode too,i cant see nothing there..Only way i am able to identify that my device is in fastboot mode is by giving fastboot devices command.
So can this be a software issue?

NeverBackDown said:
Hi All,
I got the cable ,I had everything to flash the official factory images.But the problem is as mentioned earlier I haven't checked the oem unlock in the developer option and this is not allowing to flash the factory images and fastboot flashing unlock is failing.
Is there any work around for this please?
Click to expand...
Click to collapse
You might want to look into android screencast.
I don't know if it still works with the latest android releases, but back in kitkat days if I had a screen that wouldn't display I could use screencast and I'd get the framebuffer displaying on the PC. While viewing on PC I could then do touchscreen "guesses" more accurately and presumably you'd be able to enable OEM unlocked bootloader so you can flash factory images.

Related

[Q] Can my N7(2013) still be saved?

Hi, my N7 is bricked and I wanted to fix it.
I tried to flash ROM but couldn't do it since my computer wont recognize my N7 (except in Recovery Mode-> Sideload).
I think it has something to do with the "developer options -> need to check USB Debugging", however, I can't do that since my phone when turned on, Google Logo appears, then afterwards, BLACK SCREEN (and now in a loop, but there is no X logo just plain black).
My phone is rooted & unlocked. Out of curiousity (My fault), I bricked my N7.
I've read a lot of article on how to unbrick my N7 and I think I now know how to do it- through Android SDK/ADB Tool. I've also read the a guide on how to change drivers (and tried it in all possible ways I can think of), and it did install the driver. However searching my N7 through ADB Tool doesn't go through.
adb devices
List of devices attached
(**nothing follows**)
But if I turn my N7 to Recovery Mode->apply update from adb:
will show the result:
adb devices
List of devices attached
**serial number** sideload
I don't know what other ways in order to unbrick my N7.
I hope you can help me with it.
You can enter bootloader, right? Then try to use fastboot to flash a new rom.
Use wugs program but tick tablet is in bootloop.
Can you boot a brick in to recovery mode? No...so you aren't bricked...
Thanks for the info man!
AnarchoXen said:
Can you boot a brick in to recovery mode? No...so you aren't bricked...
Click to expand...
Click to collapse
Hi, thanks for the info... I already solved my problem.. If only I have read your post earlier I could've saved xx hours in my research!! LOL
donb1 said:
Use wugs program but tick tablet is in bootloop.
Click to expand...
Click to collapse
I tried, but N7 isn't recognized by PC. So the main problem is really how to make my N7 recognized by PC (ADB/bootloader).
But problem fixed now. Thanks!
Calvin Gross said:
You can enter bootloader, right? Then try to use fastboot to flash a new rom.
Click to expand...
Click to collapse
Before I fixed my N7, this is what I tried. But the problem is, PC wont recognize/find my N7 when I do:
adb devices nor fastboot devices
But, I already fixed my problem. Thanks for the response! Greatly appreciate it!

Need Some Clarifications

Hi all,
After reading many posts i got a little confused and i'm not getting any result. Please help.
What i want?: Flash stock rom and later consider rooting, and flashing haden or lineagos. (already found guidance but..)
The issue?: It doesn't get recognized through USB with my PC. (drivers installed, cable connected but...)
My questions? (correct me if wished):
1) In Odin mode (which i enter) is the usb port enabled by default? or it depends on the phone configuration.
2) In recovery mode i still cannot see the phone through the USB so is it open by default on stock recovery?
3) Finally can i flash stock rom i downloaded from sammobile through SD card? i found that to be my last resort but i think odin actual proper way or not?
I first thought it was the cable...since is not the original but it seems not be the case...which leads me to think its the phone's usb port....but with the cable i can charge the phone although i cannot see it through my PC.
So bottom line if the answer to my questions are that is always open (accesible through usb port) then it HAS to be the cable right?
If last quesiton is possible then i will conclude my searchings to be ended for now.
Thanks to all the posts within this tree.
Findings
Is it normal that when boot to bootloader from stock recovery the ADB console keeps <waiting for device> while phone actually boots normaly?
I found that bootloader booting is accesible through fastboot independently from USB debugging option...
I'm considering buying official usb cable but store guy confirmed it works for data/power uses...
There definitely is a way to flash stock via TWRP, i once did that myself. However you need a dedicated tool on the PC to create a flashable zip, because the firmware can't be flashed by itself
Edit: i saw that you have FRP-lock enabled. Search for a guide on how to disable it and try again
verdugon said:
Is it normal that when boot to bootloader from stock recovery the ADB console keeps <waiting for device> while phone actually boots normaly?
I found that bootloader booting is accesible through fastboot independently from USB debugging option...
I'm considering buying official usb cable but store guy confirmed it works for data/power uses...
Click to expand...
Click to collapse
Are you on Samsung? If so, they don't have fastboot. Nor can you boot to bootloader. Do
Do you have the drivers installed? I have yet to see an unofficial cable not work for data transfer. Excepting damaged ones.
Light at the end of the tunnel!!!
PMFRTT said:
There definitely is a way to flash stock via TWRP, i once did that myself. However you need a dedicated tool on the PC to create a flashable zip, because the firmware can't be flashed by itself
Edit: i saw that you have FRP-lock enabled. Search for a guide on how to disable it and try again
Click to expand...
Click to collapse
Thanks PMFRTT!! I finally disabled FRP-lock and phone is usable again. I now will try to unlock OEM bootloader and enable USB debugging to see what happens. Thanks
Light at the end of the tunnel!!!
SnowFuhrer said:
Are you on Samsung? If so, they don't have fastboot. Nor can you boot to bootloader. Do
Do you have the drivers installed? I have yet to see an unofficial cable not work for data transfer. Excepting damaged ones.
Click to expand...
Click to collapse
Thanks @SnowFuhrer for your reply.
To answer your question yes its SMSUNG. I didn't know about that Thx.
The cable is brand knew but i noticed now that the phone is usable that is claims its on slow charge...may be my PC is quite old now....
Like i said i will try to unlock bootloader and make it accesible to odin to later see what to do.
verdugon said:
Thanks @SnowFuhrer for your reply.
To answer your question yes its SMSUNG. I didn't know about that Thx.
The cable is brand knew but i noticed now that the phone is usable that is claims its on slow charge...may be my PC is quite old now....
Like i said i will try to unlock bootloader and make it accesible to odin to later see what to do.
Click to expand...
Click to collapse
And to unlock the bootloader, just enable OEM unlock in the dev settings and it's ready to flash twrp. I remember when I got my Samsung and I was trying to fastboot unlock it lol.
Thanks to both of you! I will keep the thread on just in case...anyway may be it helps someone else.
verdugon said:
Thanks PMFRTT!! I finally disabled FRP-lock and phone is usable again. I now will try to unlock OEM bootloader and enable USB debugging to see what happens. Thanks
Click to expand...
Click to collapse
Good luck! Let me know how it went.

Question Phone bricked trying to update December patch

Hey guys, so I used googles flash tool to update December patch and it keeps failing at writing to phone 1 of 11.
It's now in a bootloop but can access fastboot.
Ive tried to completely reset the phone manually using adb but it fails. It just doesn't work and aborts basically the phone rejects all data transmission.
What am I doing wrong or can I get a more detailed way to reset the phone completely.
-Edit-
I was also rooted and was following the guide for rooted December 12.
The main error is
(Error reading sparse file)
Why did you use the flash tool? General recommendation is, as long as you're running stock, just use the full OTA packages.
For the flash tool to be usable you need to OEM unlock your phone (while it's in a working state!).
If you can access fastboot you should be able to access recovery as well, where you can flash the full OTA, which should fix your issue.
fonix232 said:
Why did you use the flash tool? General recommendation is, as long as you're running stock, just use the full OTA packages.
For the flash tool to be usable you need to OEM unlock your phone (while it's in a working state!).
If you can access fastboot you should be able to access recovery as well, where you can flash the full OTA, which should fix your issue.
Click to expand...
Click to collapse
Because I'm rooted and recovery doesn't work.
I should have just done it manually instead of the flash tool method published here.
I just don't get why the system image isn't flashing now, the bootloader and radio flash work, but not the actual update. It's the correct version and all.
If the online flash tool isn't working for you, download the factory image from google's website and use the flash-all.bat to flash the device. Ensure that you modify the flash-all.bat file to not wipe data before running. This can be done by modifying one line in the file. Which is the following:
Code:
fastboot -w update image-raven-....zip
to
Code:
fastboot update --disable-verity --disable-verification image-raven-....zip
When flashing ensure that phone is in bootloader first.
So I got it to work after several hours. Literally just worked after trying another Google USB cable that was USB c to USB c, or maybe it worked cause of something else. Not sure, I don't like how finicky pixels have become. I discovered it's sometimes a luck thing when it wants to flash or not according to many people when searching the internet for solutions.
So i got a lil problem. i updated the pixel 6 pro to december update but upon booting up it says your phone is corrupted and sits at the google bootup screen. i can still use fastboot and whatnot but every img i tried i get the same message and it sits again?
holla420 said:
So i got a lil problem. i updated the pixel 6 pro to december update but upon booting up it says your phone is corrupted and sits at the google bootup screen. i can still use fastboot and whatnot but every img i tried i get the same message and it sits again?
Click to expand...
Click to collapse
edit---
first try this method that was posted - sometimes you can save your phone this way. if that doesn't work: you can download the factory image and remove the "-w" command in the flash-all.bat file (save it properly) - this will prevent wiping your phone. you'll need adb/fastboot tool and drivers. if you need help with this just reply.
if that doesn't work, you can go this route (but it will wipe your phone) you can use the "flash" link on the factory image page here. if you press the "flash" link in blue, it will take you to the correct build at flash.android.com (click on the build version 12.0.0 (SD1A.210817.037, Nov 2021) - that's the one that worked for me.
ok the problem im havin is it sstill sayinbg courrpt. it cant be trusted and may not work
holla420 said:
ok the problem im havin is it sstill sayinbg courrpt. it cant be trusted and may not work
Click to expand...
Click to collapse
What method did you use to update? Are you rooted? If so, what version of Magisk did you use?
V0latyle said:
What method did you use to update? Are you rooted? If so, what version of Magisk did you use?
Click to expand...
Click to collapse
no root, just unlocked bootloader i manually installed using adb
holla420 said:
no root, just unlocked bootloader i manually installed using adb
Click to expand...
Click to collapse
Use the Android Flash Tool to flash the latest December update. Don't check any of the boxes.
ayye thanks this method worked
holla420 said:
ok the problem im havin is it sstill sayinbg courrpt. it cant be trusted and may not work
Click to expand...
Click to collapse
You'll always get this message upon reboot once the bootloader is unlock.
It's normal, and you can disregard it entirely (unless you want the absolutely most secure device possible, then you should lock the bootloader, and this message will go away)
Az Biker said:
You'll always get this message upon reboot once the bootloader is unlock.
It's normal, and you can disregard it entirely (unless you want the absolutely most secure device possible, then you should lock the bootloader, and this message will go away)
Click to expand...
Click to collapse
oh i know but this was a different message. it was in red and wouldnt boot pass the bootup screen,
coilbio said:
So I got it to work after several hours. Literally just worked after trying another Google USB cable that was USB c to USB c, or maybe it worked cause of something else. Not sure, I don't like how finicky pixels have become. I discovered it's sometimes a luck thing when it wants to flash or not according to many people when searching the internet for solutions.
Click to expand...
Click to collapse
sounds like a user error; if it's fixed you might want to update your first post with solutions in case others have similar issues.
coilbio said:
So I got it to work after several hours. Literally just worked after trying another Google USB cable that was USB c to USB c, or maybe it worked cause of something else. Not sure, I don't like how finicky pixels have become. I discovered it's sometimes a luck thing when it wants to flash or not according to many people when searching the internet for solutions.
Click to expand...
Click to collapse
There are definitely better and worse USB-C cables. I've successfully fully flashed my P6P connected to a powered USB-A (3.2 Gen 2) Hub in one room through a USB extension cable 10-15 feet from my computer in another room. The hub and the extension cable are reasonably "robust", and I've found them reliable, but they're not particularly reputable name brands by any means. The USB-A -> USB-C cable I have connected to that hub is from my old HTC 10, too.

Question Can't do anything with a device, looking for a help!

So I've got into a big trouble... I wanted to manually update my Pixel 6 Pro to the latest version using an official OTA (since the update wasn't available yet for my country and I wanted to stay up-to-date). It was all fine until it said 74 % done... and the power in my house has completely turned off... The device hasn't given me any error and rebooted, hower it got stuck on a Google logo. I rebooted to the recovery mode how it was suggested and did a clean factory reset, then rebooted again... and nothing changed, only the logo background has changed (white vs black). The BIGGEST problem is, the device OEM is NOT unlocked I tried entering the fastboot mode and flashing the device with a recovery image but it obviously didn't work as it required OEM to be unlocked... I am in a big depression now, somehow I fear that it's not fixable... But if some awesome soul could suggest a way to try out, that would be great! Thanks in advance.
I would try the android flash tool and flash the whole full ROM onto the phone. Expect to lose your data though.
mkhcb said:
I would try the android flash tool and flash the whole full ROM onto the phone. Expect to lose your data though.
Click to expand...
Click to collapse
Doesn't your phone have to be unlocked to use the flash tool?
The data is all backed up so it's not a problem to lose it. The problem is actually making the phone to boot past the logo... I will try that Android Flash Tool but I fear that the phone should be unlocked first
Try this tool: https://pixelrepair.withgoogle.com/carrier_selection
Not sure if its any different to the android flash tool.
As expected, Android Flash Tool requires you to to have the device unlocked. At this point I am out of ideas and is truly disappointed. The tool mentioned above probably works the same way.
Maybe try sideloading OTA again. Are you able to do that?
mclarence said:
Try this tool: https://pixelrepair.withgoogle.com/carrier_selection
Not sure if its any different to the android flash tool.
Click to expand...
Click to collapse
McNaccken said:
As expected, Android Flash Tool requires you to to have the device unlocked. At this point I am out of ideas and is truly disappointed. The tool mentioned above probably works the same way.
Click to expand...
Click to collapse
Unfortunately, someone else in another thread reported that the Pixel Repair site (not the Android Flash Tool) hasn't been updated for the P6P.
McNaccken said:
So I've got into a big trouble... I wanted to manually update my Pixel 6 Pro to the latest version using an official OTA (since the update wasn't available yet for my country and I wanted to stay up-to-date). It was all fine until it said 74 % done... and the power in my house has completely turned off... The device hasn't given me any error and rebooted, hower it got stuck on a Google logo. I rebooted to the recovery mode how it was suggested and did a clean factory reset, then rebooted again... and nothing changed, only the logo background has changed (white vs black). The BIGGEST problem is, the device OEM is NOT unlocked I tried entering the fastboot mode and flashing the device with a recovery image but it obviously didn't work as it required OEM to be unlocked... I am in a big depression now, somehow I fear that it's not fixable... But if some awesome soul could suggest a way to try out, that would be great! Thanks in advance.
Click to expand...
Click to collapse
If you can still get into recovery mode, maybe try sideloading the OTA again?
EDIT: Ninja'd by @znel52
Lughnasadh said:
If you can still get into recovery mode, maybe try sideloading the OTA again?
EDIT: Ninja'd by @znel52
Click to expand...
Click to collapse
Yeah I'm afraid since he did a factory reset debugging got disabled. Worth a shot though.
znel52 said:
Yeah I'm afraid since he did a factory reset debugging got disabled. Worth a shot though.
Click to expand...
Click to collapse
Oh crap, didn't think about that.
I know not everyone has access to a laptop but if you do always use that over a desktop. In the event of something like this you will have the battery power to carry you through.
I'm sorry this happened to you. The only option may be to send it to Google for repairs.
Sorry for your phone. I experienced this on a nexus 6 that didn't have USB debugging or OEM unlock enabled. I tried sideload, put the update package on the phone storage, try to update with Android recovery. Nothing worked. Stuff happens with phones. I hope you can get a new phone.
God bless.
Sorry to hear this. It seems that I need to open USB debugging option just in case for my Pixel 6, which finally arrived across the ocean after a month.
McNaccken said:
So I've got into a big trouble... I wanted to manually update my Pixel 6 Pro to the latest version using an official OTA (since the update wasn't available yet for my country and I wanted to stay up-to-date). It was all fine until it said 74 % done... and the power in my house has completely turned off... The device hasn't given me any error and rebooted, hower it got stuck on a Google logo. I rebooted to the recovery mode how it was suggested and did a clean factory reset, then rebooted again... and nothing changed, only the logo background has changed (white vs black). The BIGGEST problem is, the device OEM is NOT unlocked I tried entering the fastboot mode and flashing the device with a recovery image but it obviously didn't work as it required OEM to be unlocked... I am in a big depression now, somehow I fear that it's not fixable... But if some awesome soul could suggest a way to try out, that would be great! Thanks in advance.
Click to expand...
Click to collapse
Since the Repairtool has not been updated for your needs and considering that your device is not unlocked, your only option is to contact Google (/your seller). Maybe they can offer you an updated version of the tool (unlikely) or replace your device.
You just described, btw, my horror scenario when updating the BIOS of my PC. The lights going out, when doing a firmware update o.o
Oh my. I'm so sorry for you to have experienced that.
Ok, so I did a CMOS reset on my main PC, since it also failed to load after the lost power accident. Loaded my PC then just fine and tried connecting the phone again. Got to recovery mode and tried "adb devices" command... and it listed my Pixel device !! I tried the "adb sideload" command but it's stuck at 5% for at least 20-30 mins. The phone's last message is "Verifying update package". Not sure if it's a good sign, but afaik if USB debugging is off etc, you can not use adb commands. What would you guys suggest, try waiting for another 30 mins or unplug the phone, restart PC and try again? I am using USB-A to USB-C cable btw, maybe I could use USB-C to USB-C.
McNaccken said:
Ok, so I did a CMOS reset on my main PC, since it also failed to load after the lost power accident. Loaded my PC then just fine and tried connecting the phone again. Got to recovery mode and tried "adb devices" command... and it listed my Pixel device !! I tried the "adb sideload" command but it's stuck at 5% for at least 20-30 mins. The phone's last message is "Verifying update package". Not sure if it's a good sign, but afaik if USB debugging is off etc, you can not use adb commands. What would you guys suggest, try waiting for another 30 mins or unplug the phone, restart PC and try again? I am using USB-A to USB-C cable btw, maybe I could use USB-C to USB-C.
Click to expand...
Click to collapse
My apologies for asking the obvious - did you select "adb sideload" in the recovery menu ? At least I was blind enough to oversee that I need to select this option first
Can you boot into fastboot from the recovery ? If yes you could also try installing a factory image instead of the update package.... I read you cannot because your device is locked, but you can unlock in fastboot (you can always relock later).... only downside is that this will clear all data on the phone for sure....
McNaccken said:
So I've got into a big trouble... I wanted to manually update my Pixel 6 Pro to the latest version using an official OTA (since the update wasn't available yet for my country and I wanted to stay up-to-date). It was all fine until it said 74 % done... and the power in my house has completely turned off... The device hasn't given me any error and rebooted, hower it got stuck on a Google logo. I rebooted to the recovery mode how it was suggested and did a clean factory reset, then rebooted again... and nothing changed, only the logo background has changed (white vs black). The BIGGEST problem is, the device OEM is NOT unlocked I tried entering the fastboot mode and flashing the device with a recovery image but it obviously didn't work as it required OEM to be unlocked... I am in a big depression now, somehow I fear that it's not fixable... But if some awesome soul could suggest a way to try out, that would be great! Thanks in advance.
Click to expand...
Click to collapse
I had a similar issue with applying ota updates and have seen quite a few reports of users having trouble. Not sure what the deal is, but for some reason this phone seems super finicky with updates. Are you still in the return window? You may want to reach out to Google support or one of their "authorized repair shops".
For me, I ran the flash all bat, rebooted, got a message saying my device can't be trusted. So I rebooted, wiped data, rebooted again and got the same thing. So I rebooted, ran the flash all bat file again, rebooted phone, and screen went black and it never powered on again. Suspect circuit board may have fried some how. Anyways, long story short, contacted Google and had a replacement sent out with minimal hassle.
McNaccken said:
Ok, so I did a CMOS reset on my main PC, since it also failed to load after the lost power accident. Loaded my PC then just fine and tried connecting the phone again. Got to recovery mode and tried "adb devices" command... and it listed my Pixel device !! I tried the "adb sideload" command but it's stuck at 5% for at least 20-30 mins. The phone's last message is "Verifying update package". Not sure if it's a good sign, but afaik if USB debugging is off etc, you can not use adb commands. What would you guys suggest, try waiting for another 30 mins or unplug the phone, restart PC and try again? I am using USB-A to USB-C cable btw, maybe I could use USB-C to USB-C.
Click to expand...
Click to collapse
so you can get through this... you'll be fine. pick adb sideload and it will say waiting, then run the command.
you can also change slots at the bootloader menu or try running the unlock oem command to see if it will allow you to unlock..... not sure if you can change slots without unlocking bootloader. try different USB ports on your computer (and restart your computer just in case) along with using the latest platform tools (adb/fastboot) and USB driver directly from Google (not third party apps or websites.
download the OTA zip again (and just open and close it quickly to verify it isn't corrupt).. and also make sure you have 5-10GB of space free on your computer.
usually the boot slot is changed whenever an OTA is flashed. it will tell you what slot you're in at the bootloader menu (where it says fastboot and device state locked).
can you try holding power button (when it's not plugged in) and as soon as you see then Google logo, hold volume down. that will get you to safe mode. and as quickly as you can, enable "OEM Unlocking" - which will allow you to flash a full factory image.
sorry for this comment being all over the place. if you need help, just reply, and I'll be more methodical next time
s3axel said:
I read you cannot because your device is locked, but you can unlock in fastboot (you can always relock later).... only downside is that this will clear all data on the phone for sure....
Click to expand...
Click to collapse
I don't think the problem is that his bootloader is locked - it's unlocked, however, they factory reset the device which likely caused USB Debugging to be turned off, as it defaults to after a factory reset.
I'm so glad years ago I swore to use Uninterruptible Power Supplies (UPS) for all the PCs I build for myself or my wife.

Question Hard-Bricked Poco F3 (shocker). Won't boot into EDL.

Hello peeps.
My Poco F3 got hard bricked after update froze (was doing clean install of stable EU rom). Phone won't boot into any mode, and won't appear on pc. I've tried sorting the Test Pins 50 different ways and it still doesn't get picked up by the pc. Qualcomm Drivers are installed. Device is connected with working data transfer USB cable. It definitely is getting charge cause Battery and CPU are hotter than the rest of the phone. I'm at complete loss, I have no idea what I'm doing wrong or if I screwed up my phone that bad that EDL also doesn't work. Thanks for anyhelp!
1. Disconnect the battery
2. Make USB-Cable ready for Insertion
3. While shorting the 2 Test-pins, connect the USB-Cable
This is how I had to do it. ^^ This can be difficult and may require multiple trials, but this should work!
Windows should make the "Hardware connected"-Sound directly after connecting the USB-Cable, and show "Qualcomm 9008" in Device Manager.
If not, you need to repeat it: disconnect USB, short the 2 Test-pins and connect USB again. All while leaving battery unplugged.
Note: EDL Mode can't be bricked. This read-only Mode resides inside the Qualcomm SOC. There would have to be physical (hardware) damage for this to not function.
If you need more assistance or so, I can give you my Discord. Though you already seem quite far. Good luck dud.
cyanGalaxy said:
1. Disconnect the battery
2. Make USB-Cable ready for Insertion
3. While shorting the 2 Test-pins, connect the USB-Cable
This is how I had to do it. ^^ This can be difficult and may require multiple trials, but this should work!
Windows should make the "Hardware connected"-Sound directly after connecting the USB-Cable, and show "Qualcomm 9008" in Device Manager.
If not, you need to repeat it: disconnect USB, short the 2 Test-pins and connect USB again. All while leaving battery unplugged.
Note: EDL Mode can't be bricked. This read-only Mode resides inside the Qualcomm SOC. There would have to be physical (hardware) damage for this to not function.
If you need more assistance or so, I can give you my Discord. Though you already seem quite far. Good luck dud.
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I'd love it if you added me on discord. Please do give me your name
sumurtugu said:
I'd love it if you added me on discord. Please do give me your name
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cyanGalaxy#3161
Hello , Can someone help me please, edl mode ok but nothing more on my Poco F3....
gregdeberg33 said:
Hello , Can someone help me please, edl mode ok but nothing more on my Poco F3....
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I am assuming the phone screen does not light up at all, no fastboot or recovery mode.
This would mean the phone's hard bricked. It will require EDL flashing which can be done by someone with an authorised Xiaomi account.
user0u said:
I am assuming the phone screen does not light up at all, no fastboot or recovery mode.
This would mean the phone's hard bricked. It will require EDL flashing which can be done by someone with an authorised Xiaomi account.
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Hello Indeed and it has been done just to relock the bootloader, i have to use miflash with the same rom used and choose flash all with lock ?
gregdeberg33 said:
Hello Indeed and it has been done just to relock the bootloader, i have to use miflash with the same rom used and choose flash all with lock ?
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Yes. Just to be safe I would flash the rom with "clean all" instead of "clean all and lock" if I were you. Then after booting up the phone you can later lock the bootloader safely using "fastboot oem lock" in adb.
^
user0u said:
Yes. Just to be safe I would flash the rom with "clean all" instead of "clean all and lock" if I were you. Then after booting up the phone you can later lock the bootloader safely using "fastboot oem lock" in adb.
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Ok thanks but why ? Fastboot oem lock is better ?
gregdeberg33 said:
Ok thanks but why ? Fastboot oem lock is better ?
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In case of "clean all and lock" if something goes wrong during flashing, the bootloader will be locked and you will not be able to fix the phone. So it is safer to flash the rom first without locking the bootloader and then lock it after booting up.
user0u said:
In case of "clean all and lock" if something goes wrong during flashing, the bootloader will be locked and you will not be able to fix the phone. So it is safer to flash the rom first without locking the bootloader and then lock it after booting up.
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It will not.
If the Flash aborts, it won't even get to the stage of locking the bootloader.
gregdeberg33 said:
Ok thanks but why ? Fastboot oem lock is better ?
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Click to collapse
just clean & lock
cyanGalaxy said:
It will not.
If the Flash aborts, it won't even get to the stage of locking the bootloader.
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Click to collapse
I meant in case of a bootloop.
gregdeberg33 said:
Ok thanks but why ? Fastboot oem lock is better ?
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Click to collapse
Because if you lock bootloader while flashing a rom with a different region than what came in the box, you will hard brick your phone

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