Please help! Pixel 2 stuck in bootloader - Google Pixel 2 Questions & Answers

Hello,
I have a problem I'm not able to solve myself. If anyone is able to help me, please do. Thank you!
I recently unlocked my bootloader, installed TWRP and rooted my Pixel 2.
When I tried to restore a backup using TWRP, my Pixel 2 somehow bricked. Now it is stuck at the bootloader that displays the following information:
Bootloader: mw8998-002.0067.00
Baseband: g8998-00164-1710262031
Product Revision: walleye MP1
UFS: 64GB Samsung
DRAM: 4096MB Samsung LPDDR4
Boot-slot: b
Console: DISABLED
Secure Boot: yes (PRODUCTION)
Device State: unlocked
ERROR: SLOT Unbootable: Load Error
I can't go anywhere from the bootloader. When I select an option it will boot again, so I can't boot into recovery.
I tried flashing the latest factory image using the latest ADB and fastboot files, but it doesn't recognize my device.
It could be the boot-slot, but if the console on my PC doesn't recognize my device, how am I able to change the slot?
Any help would be appreciated.

try another usb port and/or another cable.

Velunavian said:
Hello,
I have a problem I'm not able to solve myself. If anyone is able to help me, please do. Thank you!
I recently unlocked my bootloader, installed TWRP and rooted my Pixel 2.
When I tried to restore a backup using TWRP, my Pixel 2 somehow bricked. Now it is stuck at the bootloader that displays the following information:
Bootloader: mw8998-002.0067.00
Baseband: g8998-00164-1710262031
Product Revision: walleye MP1
UFS: 64GB Samsung
DRAM: 4096MB Samsung LPDDR4
Boot-slot: b
Console: DISABLED
Secure Boot: yes (PRODUCTION)
Device State: unlocked
ERROR: SLOT Unbootable: Load Error
I can't go anywhere from the bootloader. When I select an option it will boot again, so I can't boot into recovery.
I tried flashing the latest factory image using the latest ADB and fastboot files, but it doesn't recognize my device.
It could be the boot-slot, but if the console on my PC doesn't recognize my device, how am I able to change the slot?
Any help would be appreciated.
Click to expand...
Click to collapse
I have had this happen before except it did not prevent adb/fastboot from working. I just had to switch slots with the fastboot cmd ( fastboot --set-active=b or a ) depending on which slot you are currently on. Then flash the factory img. Are you sure you have the correct drivers installed for adb/fastboot? Have you tried a different usb port / different pc / different cord?
Sent from my [device_name] using XDA-Developers Legacy app

Thank you for your reaction!
I'm sure I have the right drivers, but I will trie more ports, cables and another pc and keep you updated!

First update
So I couldn't get my pc to recognise my phone.
I then used a MacBook so I could use the official USB-C cable. I downloaded the android SDK platform-tools and the factory image. I placed the files from the factory image into the platform-tools folder. Then I used the command './adb devices' and it showed my device! But when I tried the next command, it said "no devices found". Now, when I do the same thing, no device will show up, even in the beginning.

Velunavian said:
So I couldn't get my pc to recognise my phone.
I then used a MacBook so I could use the official USB-C cable. I downloaded the android SDK platform-tools and the factory image. I placed the files from the factory image into the platform-tools folder. Then I used the command './adb devices' and it showed my device! But when I tried the next command, it said "no devices found". Now, when I do the same thing, no device will show up, even in the beginning.
Click to expand...
Click to collapse
adb does not work in fastboot mode. use ./fastboot

If there's a USB 3.0 port in the Windows PC, using a USB 3.0 cable even in a supposedly USB 2.0 port can cause problems. (I've been there, to the point that tech support actually shopped me a replacement because they were sure it was a hardware problem with the phone.)
What I used to fix it, to make sure that whatever it is about USB 3.0 that's causing the problem isn't also showing up in a USB 2.0 port in the same computer, was using a Type A to microUSB cable (that's a type 2 cable - there's no question) and a microUSB-to-Type-C adapter.
Then I ran Deuces Recovery, and the phone worked (after about 5 minutes of watching that thin grey line moving on the initial white screen). Evidently the constant "flash/reboot/flash/reboot" cycle fixes something that Google overlooked. (You may find that the phone got messed up enough that you have to format user data to get it working. My first attempt - without formatting user data - didn't work. Formatting it did.)

Thank you for your replie
Rukbat said:
If there's a USB 3.0 port in the Windows PC, using a USB 3.0 cable even in a supposedly USB 2.0 port can cause problems. (I've been there, to the point that tech support actually shopped me a replacement because they were sure it was a hardware problem with the phone.)
What I used to fix it, to make sure that whatever it is about USB 3.0 that's causing the problem isn't also showing up in a USB 2.0 port in the same computer, was using a Type A to microUSB cable (that's a type 2 cable - there's no question) and a microUSB-to-Type-C adapter.
Then I ran Deuces Recovery, and the phone worked (after about 5 minutes of watching that thin grey line moving on the initial white screen). Evidently the constant "flash/reboot/flash/reboot" cycle fixes something that Google overlooked. (You may find that the phone got messed up enough that you have to format user data to get it working. My first attempt - without formatting user data - didn't work. Formatting it did.)
Click to expand...
Click to collapse
Yes, I had the same idea! I will trie it a few more times with my macbook and if it doesn't work I will buy the adapter.
I used an usb 3.0 A to C adapter and a usb 3.0 A to A cable to connect my Pixel to a usb 3.0 port on my pc. I think this should work, but somehow it didn't.

Thank you so much!
munchy_cool said:
adb does not work in fastboot mode. use ./fastboot
Click to expand...
Click to collapse
It worked! I got my device back to normal.

Velunavian said:
It worked! I got my device back to normal.
Click to expand...
Click to collapse
Enjoy.

cmlusco said:
I have had this happen before except it did not prevent adb/fastboot from working. I just had to switch slots with the fastboot cmd ( fastboot --set-active=b or a ) depending on which slot you are currently on. Then flash the factory img. Are you sure you have the correct drivers installed for adb/fastboot? Have you tried a different usb port / different pc / different cord?
Sent from my [device_name] using XDA-Developers Legacy app
Click to expand...
Click to collapse
Velunavian said:
Hello,
I have a problem I'm not able to solve myself. If anyone is able to help me, please do. Thank you!
I recently unlocked my bootloader, installed TWRP and rooted my Pixel 2.
When I tried to restore a backup using TWRP, my Pixel 2 somehow bricked. Now it is stuck at the bootloader that displays the following information:
Bootloader: mw8998-002.0067.00
Baseband: g8998-00164-1710262031
Product Revision: walleye MP1
UFS: 64GB Samsung
DRAM: 4096MB Samsung LPDDR4
Boot-slot: b
Console: DISABLED
Secure Boot: yes (PRODUCTION)
Device State: unlocked
ERROR: SLOT Unbootable: Load Error
I can't go anywhere from the bootloader. When I select an option it will boot again, so I can't boot into recovery.
I tried flashing the latest factory image using the latest ADB and fastboot files, but it doesn't recognize my device.
It could be the boot-slot, but if the console on my PC doesn't recognize my device, how am I able to change the slot?
Any help would be appreciated.
Click to expand...
Click to collapse
Hi,i have same Pixel2 in this Load Error. PC doesn't recognize your device,You just put in annother usb until PC recognize the device,because it needs times to recognize the device.
but,my devices can't fastboot boot twrp.img
it say :
downloading'boot.img'...
OKAY[1.269s]
booting...
FAILED(remote:FAILED to load/authenticate boot image:Load Error)
when i flash factory ROM ,it say:
''archive does not contain 'boot.sig' ^^^^^^^^^
Erase successful,but notautomatically formatting.
Can't determine partition type.
FAILED[command write failed[no error]]
HOw to unbick this devices?
---------- Post added at 10:05 AM ---------- Previous post was at 10:04 AM ----------
cmlusco said:
I have had this happen before except it did not prevent adb/fastboot from working. I just had to switch slots with the fastboot cmd ( fastboot --set-active=b or a ) depending on which slot you are currently on. Then flash the factory img. Are you sure you have the correct drivers installed for adb/fastboot? Have you tried a different usb port / different pc / different cord?
Sent from my [device_name] using XDA-Developers Legacy app
Click to expand...
Click to collapse
Velunavian said:
Hello,
I have a problem I'm not able to solve myself. If anyone is able to help me, please do. Thank you!
I recently unlocked my bootloader, installed TWRP and rooted my Pixel 2.
When I tried to restore a backup using TWRP, my Pixel 2 somehow bricked. Now it is stuck at the bootloader that displays the following information:
Bootloader: mw8998-002.0067.00
Baseband: g8998-00164-1710262031
Product Revision: walleye MP1
UFS: 64GB Samsung
DRAM: 4096MB Samsung LPDDR4
Boot-slot: b
Console: DISABLED
Secure Boot: yes (PRODUCTION)
Device State: unlocked
ERROR: SLOT Unbootable: Load Error
I can't go anywhere from the bootloader. When I select an option it will boot again, so I can't boot into recovery.
I tried flashing the latest factory image using the latest ADB and fastboot files, but it doesn't recognize my device.
It could be the boot-slot, but if the console on my PC doesn't recognize my device, how am I able to change the slot?
Any help would be appreciated.
Click to expand...
Click to collapse
Hi,i have same Pixel2 in this Load Error. PC doesn't recognize your device,You just put in annother usb until PC recognize the device,because it needs times to recognize the device.
but,my devices can't fastboot boot twrp.img
it say :
downloading'boot.img'...
OKAY[1.269s]
booting...
FAILED(remote:FAILED to load/authenticate boot image:Load Error)
when i flash factory ROM ,it say:
''archive does not contain 'boot.sig' ^^^^^^^^^
Erase successful,but notautomatically formatting.
Can't determine partition type.
FAILED[command write failed[no error]]
How to unbick this devices?

Related

[Q] TWRP problem

I want to root my tablet so I flashed TWRP 2.6.0.0 using fastboot everything works fine.
But now I want to install the zip to root the tablet, problem is TWRP cannot mount any storage, internal sdcard external sdcard nothing at all is alway says E:Can't mount 'xxx' on anything I tap.
I tried CWM, and 2.5.0.0 and nothing seems to work.
I can boot fine in the stock OS, everything works fine but that
My bootloader is 10.6.1.27.1-20130711
Can anyone help me?
Ok now it is bad, I tried to factory reset using the bootloader (power + volume down)
It booted in the buged TWRP and now it keeps booting in TWRP and I cannot even reach the bootloader
Try using adb commands to boot into bootloader.
ADB reboot-bootloader is the command that I think you must use. Of course, use adb devices to see if your tab is listed.
______________________________
HTC Evo 4G LTE
aarsyl said:
Try using adb commands to boot into bootloader.
ADB reboot-bootloader is the command that I think you must use. Of course, use adb devices to see if your tab is listed.
______________________________
HTC Evo 4G LTE
Click to expand...
Click to collapse
I cannot get this to work on Windows 8, I have Asus Transformer ADB interface lister in device manager but I cannot see my device with the adb devices command.
Also, in TWRP when I try adb sideload it says failed.
win 8 is the worst OS you want to use when it comes to fastboot/adb (even with secpol.msc full admin access)
get your hands on a win7 / vista /xp
oh and TWRP2.6 is kinda bugged - flash 2.5 or lower
check this http://forum.xda-developers.com/showpost.php?p=44244313&postcount=12 but skip the steps you dont need (system, data userdata etc.)
cheers & gl
-Buster
Buster99 said:
win 8 is the worst OS you want to use when it comes to fastboot/adb (even with secpol.msc full admin access)
get your hands on a win7 / vista /xp
oh and TWRP2.6 is kinda bugged - flash 2.5 or lower
check this http://forum.xda-developers.com/showpost.php?p=44244313&postcount=12 but skip the steps you dont need (system, data userdata etc.)
cheers & gl
-Buster
Click to expand...
Click to collapse
I'm now on my laptop with Win7,
Ok so I tried to reset my device with a needle, but I cannot get it to the bootloader.
Still stuck in TWRP, I tried to go with ADB, I installer google usb driver from Android SDK, I cannot get it to be recognized by ADB, in the device manager I only see Transformer with a yellow "!", I tried with the Asus usb driver, nothing either.
Is there something else I can do to get this recognized with ADB? (fastboot doesn't work either)
I tried unpluging all, uninstalling all and reinstalling like 3 times.
Thanks for your help
Matiosse said:
I'm now on my laptop with Win7,
Ok so I tried to reset my device with a needle, but I cannot get it to the bootloader.
Still stuck in TWRP, I tried to go with ADB, I installer google usb driver from Android SDK, I cannot get it to be recognized by ADB, in the device manager I only see Transformer with a yellow "!", I tried with the Asus usb driver, nothing either.
Is there something else I can do to get this recognized with ADB? (fastboot doesn't work either)
I tried unpluging all, uninstalling all and reinstalling like 3 times.
Thanks for your help
Click to expand...
Click to collapse
fastboot should work. hold Vol-down and reset the device and keep vol-down pressed. it should go to fastboot. when you're in fastboot connect it to your laptop and see if the OS recognized your device - if not you have a driver issue. resolve that by installing the asus driver or the newest google generic drivers.
when you can see your device on dosprompt/powershel with fastboot devices then continue with getting recovery to work.
btw- stuck in twrp means? booting twrp (teamwin screen) but not responding?
good luck
-Buster
The problem is I cannot even get into fastboot, it keeps booting into TWRP, I tried to reset the tab with a needle, but I cannot reach fastboot in any ways
Matiosse said:
The problem is I cannot even get into fastboot, it keeps booting into TWRP, I tried to reset the tab with a needle, but I cannot reach fastboot in any ways
Click to expand...
Click to collapse
but you are still able to boot into android?
I was until I tried a factory reset, it wasn't working in Android so I did it in the fastboot menu.
Matiosse said:
I was until I tried a factory reset, it wasn't working in Android so I did it in the fastboot menu.
Click to expand...
Click to collapse
can you boot into twrp? and i mean just boot into it? so that you see install, backup, restore etc. buttons?
if yes - twrp has an adb mode
connect your tab in twrp to your pc (check that you can see it - adb devices) if yes type: adb reboot bootloader
and you should boot into that. test it with fastboot devices.
most important thing is that you get into fastboot or a working recovery to flash or prepare to flash a (custom) rom back onto your device.
Buster
I can get in TWRP on 2.5.0.0
But when I try ADB sideload it fails
The message is ADB sideload complete - Failed in red + lots of errors like Unable to mount '/data' '/cache' /system' pratically everything (note that I had the same problem of mounting when I was able to boot into Android)
Matiosse said:
I can get in TWRP on 2.5.0.0
But when I try ADB sideload it fails
The message is ADB sideload complete - Failed in red + lots of errors like Unable to mount '/data' '/cache' /system' pratically everything (note that I had the same problem of mounting when I was able to boot into Android)
Click to expand...
Click to collapse
learn to crawl before you run :angel:
Well I rooted 4 different android device and not a single one of them wasn't able to mount anything in recovery mod. I knew exactly what I was doing until I got in the recovery mod who won't even recognize my internal storage meanwhile I was able to perfectly boot in Android
Matiosse said:
Well I rooted 4 different android device and not a single one of them wasn't able to mount anything in recovery mod. I knew exactly what I was doing until I got in the recovery mod who won't even recognize my internal storage meanwhile I was able to perfectly boot in Android
Click to expand...
Click to collapse
dude - you can't boot into android anymore, you can't boot into fastboot to your own accord - yet you try to sideload stuff in twrp for what ever reason.
i gave you more hints and tips in my previous posts and link to get it to work yet it eems you did none.
so don't get me wrong - but what excactly is your goal here?
My goal is to get it working again...
I don't know if you've been reading my post but I did try everything you told me without sucess.
None of the tips I tried got me adb or fastboot working the sideload mode of TWRP doesn't work.
Matiosse said:
My goal is to get it working again...
I don't know if you've been reading my post but I did try everything you told me without sucess.
None of the tips I tried got me adb or fastboot working the sideload mode of TWRP doesn't work.
Click to expand...
Click to collapse
yes i read your posts - but im still unclear what you are trying to accomplish with sideload?
ok from the start:
when in twrp - connect your tab to your laptop - is windows working with it (drivers ok?) "adb devices" shows the device? if yes - adb reboot-bootloader (or fastboot reboot bootloader, not quite sure atm since i'm at work without micro usb cable) when issued the command is the tab rebooting? - and if yes, is it rebooting into twrp or fastboot? what screen is shown after that?
-B
ok from the start:
when in twrp - connect your tab to your laptop - is windows working with it (drivers ok?)
Windows isn't working with it, I tried Google usb driver, asus usb driver, universal adb driver, none of them work, this is where i'm stuck
"adb devices" shows the device? if yes - adb reboot-bootloader (or fastboot reboot bootloader, not quite sure atm since i'm at work without micro usb cable) when issued the command is the tab rebooting? - and if yes, is it rebooting into twrp or fastboot? what screen is shown after that?
Matiosse said:
ok from the start:
when in twrp - connect your tab to your laptop - is windows working with it (drivers ok?)
Windows isn't working with it, I tried Google usb driver, asus usb driver, universal adb driver, none of them work, this is where i'm stuck
"adb devices" shows the device? if yes - adb reboot-bootloader (or fastboot reboot bootloader, not quite sure atm since i'm at work without micro usb cable) when issued the command is the tab rebooting? - and if yes, is it rebooting into twrp or fastboot? what screen is shown after that?
Click to expand...
Click to collapse
when its connected - is device manager at least showing it as faulty or not at all? (yellow triangle exclamation mark thingy, i just installed asus on my VM) -> see attached file
UPDATE: I succeeded to go in fastboot mode
I couldn't get my tab to be recognized by windows so I installer my Nexus 4 using the toolkit, when it was succesfully installed I could manually install my tab since the "android devices" option appeared in the list when you want to manually install a driver in the devices manager. So I could choose Asus ADB interface.
Now I can boot into Android, but it will go into TWRP as soon as I restart my tablet.
Now I will try the link you sent me to get TWRP recognize my storage so I can flash a new rom, I will let you know if something go wrong.
Thanks for helping

fastboot cannot recognize device but adb can

usb debugging is enabled on device. running latest version of adb, fastboot. Have tried on both mac and win10 but same issue on both.
Oneplus 7 pro is running 10.3.0GM21AA
>fastboot devices
>adb devices
List of devices attached
966c8016 device
Trying to use fastboot to flash patched magisk img and install magisk.
Do you enter in fastboot in phone?
Sent from my GM1910 using Tapatalk
Yes tried from bootloader as well
fustyler said:
Yes tried from bootloader as well
Click to expand...
Click to collapse
bootloader-fastboot mode is the only time fastboot commands will work. I know you tried this "also". But I feel you are wasting your time trying to run fastboot when phone is booted (instead of focusing on the situation where fastboot should actually be working). adb and fastboot will not work at the same time by definition. Also, debugging does not need to be enabled for fastboot (only for adb).
redpoint73 said:
bootloader-fastboot mode is the only time fastboot commands will work. I know you tried this "also". But I feel you are wasting your time trying to run fastboot when phone is booted (instead of focusing on the situation where fastboot should actually be working). adb and fastboot will not work at the same time by definition. Also, debugging does not need to be enabled for fastboot (only for adb).
Click to expand...
Click to collapse
I have tried it from bootloader and still the same on my pc it just says waiting for device.
What else can I try?
fustyler said:
I have tried it from bootloader and still the same on my pc it just says waiting for device.
What else can I try?
Click to expand...
Click to collapse
Try a different cable, different USB port. Fastboot can be finicky sometimes. You can also go to Windows Device Manager, find the device, and see if you can manually select the drivers. There is a generic Android device driver that sometimes gets fastboot to work properly on some of my past devices. This is on Windows 7, haven't done this on WIn 10 yet, so not sure if it is exactly the same.
redpoint73 said:
Try a different cable, different USB port. Fastboot can be finicky sometimes. You can also go to Windows Device Manager, find the device, and see if you can manually select the drivers. There is a generic Android device driver that sometimes gets fastboot to work properly on some of my past devices. This is on Windows 7, haven't done this on WIn 10 yet, so not sure if it is exactly the same.
Click to expand...
Click to collapse
Have tried different cables and different machines both pc and mac
What's you gotta do is look up how to disable signature verification in Windows 10. Then once you done that stuff put your device in fastboot mode then on the window 10 PC open of device drivers find Android phone then bootloader update driver. There will be 2 choices for updating pick the on device one. Should do you right.
I had to do this after flashing the T-Mobile version to my international version with the msmtool and it locked my bootloader for me
Since adb is working, do an adb reboot bootloader and it'll then boot into fastboot. If you can't get a return on fastboot devices at this point, it could be you haven't oem unlocked your phone yet.
mnemesis said:
Since adb is working, do an adb reboot bootloader and it'll then boot into fastboot. If you can't get a return on fastboot devices at this point, it could be you haven't oem unlocked your phone yet.
Click to expand...
Click to collapse
I ran adb reboot bootloader from pc to boot phone into fastboot.
In the bootloader it states device state is unlocked
However fastboot devices ran from pc still shows no device.
billyt1 said:
What's you gotta do is look up how to disable signature verification in Windows 10. Then once you done that stuff put your device in fastboot mode then on the window 10 PC open of device drivers find Android phone then bootloader update driver. There will be 2 choices for updating pick the on device one. Should do you right.
I had to do this after flashing the T-Mobile version to my international version with the msmtool and it locked my bootloader for me
Click to expand...
Click to collapse
Thanks this fixed it.
Issue fixed by billyt1's comment above. case closed.
billyt1 said:
What's you gotta do is look up how to disable signature verification in Windows 10. Then once you done that stuff put your device in fastboot mode then on the window 10 PC open of device drivers find Android phone then bootloader update driver. There will be 2 choices for updating pick the on device one. Should do you right.
I had to do this after flashing the T-Mobile version to my international version with the msmtool and it locked my bootloader for me
Click to expand...
Click to collapse
This worked for me as well. Just to make it clear, rephrasing his reply. After disabling signature verification on windows 10, connect your phone in fastboot mode & open Device Manager on Windows & look for Other > Android device.If it is found, This means Windows 10 is not having proper drivers to recognize fastboot device. Now install "OnePlus_USB_Drivers_Setup.exe" & it will show pop up for installing driver & after accepting(this is blocked due to signature verification in normal situation), Android device will be recognized in fastboot mode.
Giri Prasad said:
This worked for me as well. Just to make it clear, rephrasing his reply. After disabling signature verification on windows 10, connect your phone in fastboot mode & open Device Manager on Windows & look for Other > Android device.If it is found, This means Windows 10 is not having proper drivers to recognize fastboot device. Now install "OnePlus_USB_Drivers_Setup.exe" & it will show pop up for installing driver & after accepting(this is blocked due to signature verification in normal situation), Android device will be recognized in fastboot mode.
Click to expand...
Click to collapse
ugh. I've tried all of these suggestions and still can't get the device listed in adb while in fastboot.
I even used the TOOL ALL IN ONE without success. Funny thing is, that program recognizes my phone being in fastboot and has it listed. But if I try to flash a recovery from there, it opens a command window and ultimately says there was an error in connecting to the device.
Any help is appreciated.
I have a similar problem. I tried to disable the signature. Installed a new Redmi Note 7 driver. The phone is recognized as an Android phone in the device manager. In Orangefox recovery it is recognized with ADB command. In fastboot it is not recognized. In Orangefox I can't format data. So my ROM is not booting up. So I want to flash fastboot ROM with Fastboot but in Fastboot device is not even recognized.
t
puyow18 said:
ugh. I've tried all of these suggestions and still can't get the device listed in adb while in fastboot.
I even used the TOOL ALL IN ONE without success. Funny thing is, that program recognizes my phone being in fastboot and has it listed. But if I try to flash a recovery from there, it opens a command window and ultimately says there was an error in connecting to the device.
Any help is appreciated.
Click to expand...
Click to collapse
Sorry on the late reply. Pretty sure you can only do fastboot boot boot(recovery).img or\and boot_a or boot_b. Wont let you fastboot flash boot.img.
billyt1 said:
What's you gotta do is look up how to disable signature verification in Windows 10. Then once you done that stuff put your device in fastboot mode then on the window 10 PC open of device drivers find Android phone then bootloader update driver. There will be 2 choices for updating pick the on device one. Should do you right.
I had to do this after flashing the T-Mobile version to my international version with the msmtool and it locked my bootloader for me
Click to expand...
Click to collapse
Thank you so much!
I also had same issue. my redmi note 6 pro and asus zenfone max pro m1 can be detected in adb but not in fastboot. tried everything. changing driver/disble signature verification. also tried virtual box ubuntu/window 7. but not succeeded. It is actually an issue with usb 3. so I bought usb 2 hub. now everything works fine.
Thank you Thank you Thank you Thank you Thank you Thank you...I have been fooling with this all day
Hi, I already solved this issue (but this only works for xiaomi phone (Redmi Note 7 to be specified), for other brands I think need to download your devices flasher/driver tool)
For Xiaomi user only
1. Download Mi Unlock Tool (https://mi-globe.com/download-xiaomi-mi-unlock-tool-all-versions/) (Version 4.5.813.51)
2. Extract the files anywhere you like
3. Run MiUsbDriver.exe to install the driver
4. Try fastboot devices command
I hope this helps you guys. The Mi Unlock Tool also useful to unlock device locked bootloader.
For other devices maybe can follow this tutorial
Fixed: Fastboot not detecting your Android device
Fix the Fastboot not detecting your device. If your device is not detected by the Fastboot then these tricks will really help you.
www.qasimtricks.com

Phone is Cycling between Bootloader Unlocked Screen and Motorola Sp

I just tried rooting my phone. The phone is cycling back and forth between the bootloader is unlocked screen and the Motorola splash screen.
To repeat some steps from a prior post.
My phone had QPR30.80-58-3 .
I downloaded that ROM and extracted the boot.img file.
I downloaded the latest Magisk Manager and installed it on my phone.
I ran through the patching process for boot.img.
I requested an unlock code from Motorola and unlocked the bootloader.
I flashed the patched boot image which patched partition b.
I flashed the patched boot image to partition a.
I rebooted which began the cycle.
I tried holding down the power button but it returns to the cycle.
I can get back to the bootloader with the Volume Down and Power buttons.
Any suggestions on what could get me back to a functioning phone, rooted or not rooted?
I would confirm the version of the boot image you flashed matches the version of the installed rom. You could also try to flash the unpatched / original boot.img to see if that gets you booting again.
dafunk60 said:
I would confirm the version of the boot image you flashed matches the version of the installed rom. You could also try to flash the unpatched / original boot.img to see if that gets you booting again.
Click to expand...
Click to collapse
I checked that the image I patched was from the QPR30.80-58-3 ROM which matched the level after the phone was updated.
I flashed that original boot image which flashed partition a and then rebooted. I did not flash partition b.
It first came up with the unlock warning screen. It sat on the Motorola splash screen for a noticeable amount of time followed by a yellow screen with a circle around the Motorola symbol. Finally it ended up on a blue Hello there screen with a yellow start button.
This screen was unresponsive. Eventually through various cyclings through all this I ended up on a screen that said Android could not boot and gave me an option of a factory reset. I did that but it did not help getting past the Hi there screen.
I went back and flashed the QPR30.80_58 image on both partitions a and b. This got me back to setting up the phone again. The phone is at QPR30.80_58. I am considering just rooting at this level.
So I tried patching the original QPR30.80_58 boot image. I did notice that it appeared the phone had automatically staged the QPRS30.80_58_3 update. I proceeded in (false) hopes that I could stop that.
It flashed the b partition. Ended up stuck in the bootloader unlock loop. I flashed the a partition but no change.
Previously I had ended up on a recovery screen automatically after some time. I could not force this to happen.
I tried flashing the original unpatched boot image but would end up on a non-functioning Hello there screen.
I tried adb recovery and adb shell but came back with device unauthorized.
I tried following some instructions on using fastboot erase userdata and fastboot erase cache. No change.
I finally found out that the Recovery menu was option off the bootloader screen. However, that came up with No command.
Lenovo Rescue did not want to recognize my XT2043-4 device.
I flashed the unpatched retail QPRS30.80_58_3 boot image to both a and b partitions. That got me back to a functioning phone. After getting through the login and setup steps I did find that it was at QPRS30.80_58_3.
Out of curiosity, I tried Lenovo Rescue again. I received a "Failed to match connected device. Reconnect device, then try again." which did not work.
Now I am at a loss.
DougPeterson said:
So I tried patching the original QPR30.80_58 boot image. I did notice that it appeared the phone had automatically staged the QPRS30.80_58_3 update. I proceeded in (false) hopes that I could stop that.
It flashed the b partition. Ended up stuck in the bootloader unlock loop. I flashed the a partition but no change.
Previously I had ended up on a recovery screen automatically after some time. I could not force this to happen.
I tried flashing the original unpatched boot image but would end up on a non-functioning Hello there screen.
I tried adb recovery and adb shell but came back with device unauthorized.
I tried following some instructions on using fastboot erase userdata and fastboot erase cache. No change.
I finally found out that the Recovery menu was option off the bootloader screen. However, that came up with No command.
Lenovo Rescue did not want to recognize my XT2043-4 device.
I flashed the unpatched retail QPRS30.80_58_3 boot image to both a and b partitions. That got me back to a functioning phone. After getting through the login and setup steps I did find that it was at QPRS30.80_58_3.
Out of curiosity, I tried Lenovo Rescue again. I received a "Failed to match connected device. Reconnect device, then try again." which did not work.
Now I am at a loss.
Click to expand...
Click to collapse
Happy to hear you have a working phone again! The lack of touchscreen response & the stuck at the hello screen issues are what others have reported when they used a boot image from a different version than on the phone. I suspect that something got confused between the version & slot somewhere along the way. As far as the Lenovo Rescue software not seeing the phone, it's communicating via ADB. If I recall correctly I needed to reauthorize the PC to connect via ADB after updating from 30.80-58 to 30.80-58-3. When I connect the phone via USB there's a popup on the phone asking to authorize the PC. Can you connect via ADB in the command line? If yes, you may want to reinstall the Lenovo software. If no, I would troubleshoot the ADB connection.
I originally rooted the 30.80-58 version. When 30.80-58-3 was released all I did was flash the unpatched boot.img, took the update OTA, let it reboot, then flash a patched boot.img from 30.80-58-3. All worked as expected, user data was intact.
dafunk60 said:
Happy to hear you have a working phone again! The lack of touchscreen response & the stuck at the hello screen issues are what others have reported when they used a boot image from a different version than on the phone. I suspect that something got confused between the version & slot somewhere along the way. As far as the Lenovo Rescue software not seeing the phone, it's communicating via ADB. If I recall correctly I needed to reauthorize the PC to connect via ADB after updating from 30.80-58 to 30.80-58-3. When I connect the phone via USB there's a popup on the phone asking to authorize the PC. Can you connect via ADB in the command line? If yes, you may want to reinstall the Lenovo software. If no, I would troubleshoot the ADB connection.
I originally rooted the 30.80-58 version. When 30.80-58-3 was released all I did was flash the unpatched boot.img, took the update OTA, let it reboot, then flash a patched boot.img from 30.80-58-3. All worked as expected, user data was intact.
Click to expand...
Click to collapse
I double checked that I had USB debugging set, given I have reset a couple of times. I revoked all USB access and reinstalled the Rescue app. I still get the Failed to match connected devices error.
fastboot device will list the phone.
adb devices or adb devices -l does not list anything and adb shell says no devices/emulators found.
If I try to get into recovery mode I get a No command screen. I have been trying to take notes on what I did but there have been gaps in all the fiddling. I may have only flashed one partition the last time I tried putting back a stock boot image.
For USB drivers I downloaded the latest from Motorola. Was that sufficient for this?
DougPeterson said:
I double checked that I had USB debugging set, given I have reset a couple of times. I revoked all USB access and reinstalled the Rescue app. I still get the Failed to match connected devices error.
fastboot device will list the phone.
adb devices or adb devices -l does not list anything and adb shell says no devices/emulators found.
If I try to get into recovery mode I get a No command screen. I have been trying to take notes on what I did but there have been gaps in all the fiddling. I may have only flashed one partition the last time I tried putting back a stock boot image.
For USB drivers I downloaded the latest from Motorola. Was that sufficient for this?
Click to expand...
Click to collapse
If you want to get into recovery, boot into the bootloader than do
Code:
fastboot reboot fastboot
That'll boot you into fastbootd which has an option to go to the real recovery
DougPeterson said:
I double checked that I had USB debugging set, given I have reset a couple of times. I revoked all USB access and reinstalled the Rescue app. I still get the Failed to match connected devices error.
fastboot device will list the phone.
adb devices or adb devices -l does not list anything and adb shell says no devices/emulators found.
If I try to get into recovery mode I get a No command screen. I have been trying to take notes on what I did but there have been gaps in all the fiddling. I may have only flashed one partition the last time I tried putting back a stock boot image.
For USB drivers I downloaded the latest from Motorola. Was that sufficient for this?
Click to expand...
Click to collapse
If adb isn't showing any devices connected that would explain why the rescue software cannot find your phone. Perhaps you don't have the correct driver installed. Windows Device Manager shows the phone as a Motorola ADB Device on my PC.
View attachment 5061327
Another possibility is that you have multiple versions of adb on your PC. Older versions won't work but the adb.exe in "C:\Program Files (x86)\Rescue and Smart Assistant" works for sure. With your phone booted into android & unlocked, plug it into your PC. Do you see the "USB debugging connected" on the phone? If you don't I would re-check that USB debugging is enabled. If you do see the debugging notification, on your PC, open a command prompt and navigate to "C:\Program Files (x86)\Rescue and Smart Assistant". Run
Code:
adb devices
Does adb find your phone?

Can't connect to fastboot with adb

Hi,
I'm trying to boot a twrp image on my Motorola One Vision without flashing it or rooting the phone. Reason is I want to try it out and also tweek som files but not necessarily rooting it.
I've unlocked the boot loader and enabled developer options and set USB to debugging. When I connect the phone to the computer and use ./adb devices it is detected fine. When I disconnect, reboot and enable fastboot I get the fast boot menu with the options but when I connect it to the computer it will not detect the phone. ./adb devices give no output and ./fastboot boot /PATH/TO/IMAGE.FILE just gives the output "waiting for device". I've tried this from both my windows partition and Linux Debian with the same result. Cables are fine as I can use adb to pull files and such. It's basically in the fastboot menu that it doesn't seem to respond.
The phone is running Android 10 Kane 4.14. I've tried twrp 3.4 but I don't think the image is the issue since it won't respond to commands in fastboot.
Does anyone have any suggestions for troubleshooting this? Any and all help is appreciated.
Kind regards
Magnus
Ps: Posted this a few days ago in the general Q&A as a suspect it's not necessarily a specific One Vision problem but it didn't get any replies so I'll try here. Sorry if it's a bit of a double post. ds-
I've made some headway and manage to reboot and connect but when I try to ./fastboot boot IMAGE I get the message Validation image failed.
If I understood it correct it's not possible to boot an image in this way which is of an earlier version than the one installed. Is this correct?
I''ve got 4.4 installed, and the image is 3.4.
/Magnus
Cardinal_Vice said:
I've made some headway and manage to reboot and connect but when I try to ./fastboot boot IMAGE I get the message Validation image failed.
If I understood it correct it's not possible to boot an image in this way which is of an earlier version than the one installed. Is this correct?
I''ve got 4.4 installed, and the image is 3.4.
/Magnus
Click to expand...
Click to collapse
Did you flash the patched vbmeta image?
ttomovcik said:
Did you flash the patched vbmeta image?
Click to expand...
Click to collapse
No, I can't get that to work. I'm not sure if I understand where I should place it.
Appreciate that you pitch in.
I have a One Vision x1907-1 variant and recently it bricked. The device can't be recognized and don't works with the motorola drivers . So it's similar issue maybe
mjraogr said:
I have a One Vision x1907-1 variant and recently it bricked. The device can't be recognized and don't works with the motorola drivers . So it's similar issue maybe
Click to expand...
Click to collapse
No, my phone works perfectly fine. I just can't flash the vbmeta image and I can't run the .bat file.

Pixel 3 Soft brick

Hi guys, I Have Pixel 3 with Custom twrp recovery one day I accidentally wiped my internal storage and data everything After I cannot get into boot my phone , then I tried with USB it shows 0 mb ,And I mess up with twrp settings everywhere after I changed boot slot b to a and reboot BOOM everything stuck a slot have nothing after I noticed I cannot get into recovery now, its stuck in to fast boot mode but my PC cannot detect my device even though driver installed now what I do please .
Musthafa_3679 said:
Hi guys, I Have Pixel 3 with Custom twrp recovery one day I accidentally wiped my internal storage and data everything After I cannot get into boot my phone , then I tried with USB it shows 0 mb ,And I mess up with twrp settings everywhere after I changed boot slot b to a and reboot BOOM everything stuck a slot have nothing after I noticed I cannot get into recovery now, its stuck in to fast boot mode but my PC cannot detect my device even though driver installed now what I do please .
Click to expand...
Click to collapse
can you get into fastboot? if so, you will probably have to start over. choose the right carrier. if you don't know it or aren't 100% sure, select other. You could also try this one.
DragonFire1024 said:
can you get into fastboot? if so, you will probably have to start over. choose the right carrier. if you don't know it or aren't 100% sure, select other. You could also try this one.
Click to expand...
Click to collapse
I tried google flash tool but my device not detected ,adb not response and fastboot . but it always boot in fastboot but why my PC isn't get device and I tried to go edl but I can't find the way to boot edl please help
Musthafa_3679 said:
I tried google flash tool but my device not detected ,adb not response and fastboot . but it always boot in fastboot but why my PC isn't get device and I tried to go edl but I can't find the way to boot edl please help
Click to expand...
Click to collapse
The standard things to try when the device is not recognized are:
1. Update drivers
2. Make sure you are using the latest version of platform tools from https://developer.android.com/studio/releases/platform-tools
3. Try different USB ports and cables, preferably USB 2.0. USB 3.0 may not work.
4. Try a different PC.
Are you using "fastboot devices" to detect the device? "adb devices" does not work in fastboot mode.
dcarvil said:
The standard things to try when the device is not recognized are:
1. Update drivers
2. Make sure you are using the latest version of platform tools from https://developer.android.com/studio/releases/platform-tools
3. Try different USB ports and cables, preferably USB 2.0. USB 3.0 may not work.
4. Try a different PC.
Are you using "fastboot devices" to detect the device? "adb devices" does not work in fastboot mode.
Click to expand...
Click to collapse
Yes I tried fastboot mode , I installed latest platform tools my mobile don't have any os inside I wiped everything how it will find through platform tools?
And its always fast boot mode whenever I try to boot recovery or normal boot it says error to preloade images , some times no valid slot to boot if I can detect by PC I may be I can change boot slot

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