Stuck at fastboot - OnePlus 6T Questions & Answers

My device is stuck at fastboot, I messed up bad. I had a backup from OOS from 9.0.6, I upgraded to 9.0.10, I flashed TWRP installer and Magisk, then the phone would boot up to the lock screen but immediately say powering off. So I tried restoring the device and then I got an error. Now it can only boot to fastboot mode and is only recognized as a fastboot device by my computer. Any one know how to help?

Try this: https://forum.xda-developers.com/oneplus-6t/how-to/tool-6t-msmdownloadtool-v4-0-oos-9-0-5-t3867448

bigmikey307 said:
My device is stuck at fastboot, I messed up bad. I had a backup from OOS from 9.0.6, I upgraded to 9.0.10, I flashed TWRP installer and Magisk, then the phone would boot up to the lock screen but immediately say powering off. So I tried restoring the device and then I got an error. Now it can only boot to fastboot mode and is only recognized as a fastboot device by my computer. Any one know how to help?
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Double posting isn't the most surefire way to get help here, just wanna point that out.

I love you
I was stuck and my phone didnt turn off tank you so mutch

Related

a6000 shut down during MIUI flash, won't boot into recovery

Hey guys I was trying to flash MIUI 8 on my a6000 lenovo. Bear with me because I'm new to this so I might have screwed up.
Rooted and installed TWRP perfectly. Phone was running kitkat.
I then, through TWRP tried to flash MIUI 8 from http://forum.xda-developers.com/lenovo-a6000/development/rom-miui-7-lenovo-a6000-a6000-t3355692
After first swiping right to install the zip, i got an "error executing binary in zip" error. Wiped dalvik,etc. again and tried again and then I got a MD5 file not found "warning". It was not in red letters and after that message there was no progress bar or anything and the phone just stopped responding. I assumed it wasn't working and few minutes later took the battery out. After trying to boot again it would give me the "mi.com" boot screen (not the default lenovo I used to get) and won't boot into neither recovery nor normal mode. (for recovery boot I'm trying holding both volume buttons and the power button at the same time. perhaps that is different now?)
I'm guessing the flashing was going on and i interrupted it. How can I fix this?
Update: It boots into MIUI now however pretty much nothing works as expected. It wont even go into settings. Recovery still seems botched and i cant boot into it.
TLDR: Recovery broken cant boot into it. Can boot into MIUI with very limited capabilities. Cannot select USB debugging and "adb devices" won't find the phone. What can I do?
Alright nevermind guys I managed to fix it. for anyone wondering or having the same issue, i tried many things but what I think worked is this:
Turnt on my phone in fastboot mode (hold volume - and power button) , connected it to the computer and used command "fastboot flash recovery recovery.img" to flash the old TWRP i had on my computer. After that I managed to boot my phone in recovery mode and reflash the rom properly. The weird thing is, my phone could not be recognized by the computer and "adb devices" gave me nothing back so I thought using any fastboot command wouldn't work. Oddly, it did and it flashed TWRP back into my phone.

Help Needed: Phone stuck on Motorola's warning screen.

Ok so recently I was backing up and wiping my phone as a procedure I do every couple of months to make sure everything's up-to-date.
But when I tried to boot into it this time, it got stuck on Motorola's unlocked bootloader screen and won't boot into recovery mode or turn off.
Everytime I try to turn it off, it reboots to said screen and gets stuck. My previous root was phh's Superuser, and I was upgrading it to Magisk's root.
I was also upgrading twrp 3.0.0 athene to twrp 3.1.1.
Currently I have the stock firmware downloaded from AndroidSages and the OTA Update pulled from my phone, as well as all the files stated above.
All I'm trying to do is boot into recovery mode, as I can make my way from there. Any help would be greatly appreciated.
AiAlpha said:
Ok so recently I was backing up and wiping my phone as a procedure I do every couple of months to make sure everything's up-to-date.
But when I tried to boot into it this time, it got stuck on Motorola's unlocked bootloader screen and won't boot into recovery mode or turn off.
Everytime I try to turn it off, it reboots to said screen and gets stuck. My previous root was phh's Superuser, and I was upgrading it to Magisk's root.
I was also upgrading twrp 3.0.0 athene to twrp 3.1.1.
Currently I have the stock firmware downloaded from AndroidSages and the OTA Update pulled from my phone, as well as all the files stated above.
All I'm trying to do is boot into recovery mode, as I can make my way from there. Any help would be greatly appreciated.
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Click to collapse
Hold power and volume down for 2-5mins it will boot into bootloader from there you can boot into recovery or flash the stock rom
ADB will not work unless you are booted into bootloader or the os
Sent from my Moto G4 Plus using Tapatalk
BlackBeats said:
Hold power and volume down for 2-5mins it will boot into bootloader from there you can boot into recovery or flash the stock rom
ADB will not work unless you are booted into bootloader or the os
Sent from my Moto G4 Plus using Tapatalk
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That's the issue, it's not booting into recovery mode. If I could boot into TWRP I could push the stock firmware to the phone and I think I'd be all well and good.
What seems to be happening is that because the warning message comes before the phone can boot into recovery mode I can't boot into recovery mode.
That advice would be more helpful for someone with a different issue.
AiAlpha said:
That's the issue, it's not booting into recovery mode. If I could boot into TWRP I could push the stock firmware to the phone and I think I'd be all well and good.
What seems to be happening is that because the warning message comes before the phone can boot into recovery mode I can't boot into recovery mode.
That advice would be more helpful for someone with a different issue.
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So you saying you can boot into bootloader
If yes then try reflashing the twrp
Or just boot recovery using fast boot
fastboot boot recovery twrp.img
Try the older version
Sent from my Moto G4 Plus using Tapatalk
BlackBeats said:
So you saying you can boot into bootloader
If yes then try reflashing the twrp
Or just boot recovery using fast boot
fastboot boot recovery twrp.img
Try the older version
Sent from my Moto G4 Plus using Tapatalk
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Maybe I wasn't being clear the first time but here's a vidual interpretation. The issue I'm having is that I can't boot into the bootloader, if I could I'd do what you said.
A Proper Load: Device Powers On > Motorola Boot Warning > Bootloader/Recovery/Normal Boot
My Issue: Device Powers On > Motorola Boot Warning [Freeze]
Somehow it fixed itself. All I did was reinstall Android Studio and the Android SDK and it work.
ADB wasn't showing any devices before the install, but now it is.
In case this happens in the future, can someone figure out what the hell happened?
Now that issue is solved, my wifi seems to not be working. From the moment I booted into the stock rom I haven't been able to connect/view any wifi networks.

Stuck at "Google" screen after TWRP wipe

Hi,
I did a TWRP wipe (everything checked) to prepare for a restore to stock, but my device is now stuck at the very first "Google" screen with the pad lock icon at the bottom. How do I get it to boot?
goister said:
Hi,
I did a TWRP wipe (everything checked) to prepare for a restore to stock, but my device is now stuck at the very first "Google" screen with the pad lock icon at the bottom. How do I get it to boot?
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So since everything was checked, that means you wiped the system partition. The device will not boot if you do that unless you flash a factory image via fastboot or new ROM via TWRP
OK, I thought wiping /system would just bring it back to factory state. 2 questions now
1. How do I get to recovery when it's always stuck at the Google screen with no adb access? Would I have to wait for the battery to run out (hence turn off), charge it for a while, then use the buttons to boot to recovery, or is there a faster way?
2. I am actually trying to revert to stock ROM (downloaded at https://developers.google.com/android/images#angler) by following step 10 of the Heisenburg guide (https://forum.xda-developers.com/nexus-6p/general/guides-how-to-guides-beginners-t3206928) which advises me to use fastboot to flash the individual images. In my case, how do I boot to fastboot?
OK, so I managed to boot to the bootloader and run the following commands as per the Heisenberg guide (using the stock MTC20L firmware)
Code:
fastboot flash bootloader C:\angler\images\bootloader-angler-angler-xx.xx.img
fastboot reboot-bootloader
fastboot flash radio C:\angler\images\radio-angler-angler-xx.xx.img
fastboot reboot-bootloader
fastboot flash boot C:\angler\images\boot.img
fastboot erase cache
(above command is unnecessary on Android 7.1.2 and above)
fastboot flash cache C:\angler\images\cache.img
(above command is unnecessary on Android 7.1.2 and above)
fastboot flash recovery C:\angler\images\recovery.img
fastboot flash system C:\angler\images\system.img
fastboot flash vendor C:\angler\images\vendor.img
Everything was successful, and I did a fastboot reboot after that.
However, my device still doesn't boot up. This time. It's boot loops for a few times before turning off.
I tried booting up to bootloader with power/vol-. Curiously, I can now only do this when cable is connected. If cable is disconnected, the orange LED just blinks once when power button is pressed, and nothing happens. Once cable is connected, then I'm able to boot up to bootloader with the button combination. I then retried the flash process again, but still no go. I noticed after fastboot reboot that the orange LED blinked a few times before rebooting and boot looping.
Kinda stuck now, any ideas?
Try booting into recovery and doing a factory reset. I've had that happen to me a few times after flashing factory images and a wipe in recovery always fixed it.
Just for future information: if at any time the device is stuck in a bootloop you can get it to robot into recovery by holding the power and volume down buttons for 10 seconds, or get it to boot into bootloader by holding power and volume up buttons for 10 seconds.
Face_Plant said:
Try booting into recovery and doing a factory reset. I've had that happen to me a few times after flashing factory images and a wipe in recovery always fixed it.
Just for future information: if at any time the device is stuck in a bootloop you can get it to robot into recovery by holding the power and volume down buttons for 10 seconds, or get it to boot into bootloader by holding power and volume up buttons for 10 seconds.
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Click to collapse
Thanks. Booting into stock recovery shows an exclamation sign with "no command", since I don't have TWRP anymore. Would I need to first flash TWRP before I can do a factory reset?
I just tried flashing to the same sock firmware as before the problem happened (7.1.2 N2G47W) but still same problem. I notice that after the Google logo disappears and the screen goes blank, the orange LED blinks 10 times before rebooting.
Edit: Tried factory resetting in stock recovery (by holding down power button and pressing vol+), the rebooting after factory reset. Still getting a boot loop.
OK I solved the problem. Apparently if you reboot after the flash, you need to disconnect the USB cable, else it will boot loop.
OK I solved the problem. Apparently if you reboot after the flash, you need to disconnect the USB cable, else it will boot loop.
goister said:
OK I solved the problem. Apparently if you reboot after the flash, you need to disconnect the USB cable, else it will boot loop.
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brother help me! i am facing same issue
first little info abt my device.
my device was running on android nougat with twrp recovery installed but the device was not rooted.
so get back to stock and install oreo I followed every step given on http://www.androidexplained.com/nexus-6p-revert-stock/ but somehow my phone is stuck at bootloop with no recovery installed.
Please help me here.
As per the Heisenberg guide, if you don't install root (SuperSU or Magisk), TWRP won't stick, so you'll go back to stock recovery.
For me, simply unplugging the USB cable after rebooting after a flash solved my problem. For some reason, if the cable is connected during reboot, it would boot loop.
brother, somehow I managed to install twrp. but everytime I touch it 2-3 times the phone gets switched off.
then it keeps rebooting to 'Google' logo.
can you tell me what should I do now?
@goister Hi how you manage to get to recovery when it's always stuck at the Google screen with no adb access. Please I am stuck there
tommast said:
@goister Hi how you manage to get to recovery when it's always stuck at the Google screen with no adb access. Please I am stuck there
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hi, did youmanage to solve this problem? I am aving the exct same problem. Disconnecting the ucb isnt working for me

Can't flash recovery, boot into recovery or do anything.

Hello!
I just repaired the display of my OP2 and when turning it back on it went straight into bootloop. Only showed the OP Logo and android on the bottom. ADB obviously doesnt work and tried to all partitions via fastboot to get fresh start. After completely resetting I unlocked the bootloader again just to be sure. Then I tried to flash twrp 3.2.1-0. it say dtb not found error. I tried a twrp 3.0.0-0 and it said succesfully flashed but after automatically rebooting the screen just turns black. I can the into fastboot mode or into bootloop can't do anything else. I also tried the MSM8994DownloadTool.exe but it just returns into bootloop again or turns black.
Help pls

Question Help with Nothing phone stuck in Fastboot mode (A13 Beta 1.5.1)

Hello,
I was trying to downgrade my phone from the beta to Android 12 and it's now stuck in Fastboot mode. Won't let me enter recovery. Tries to boot but just stays on the nothing logo. My bootloader is unlocked. I'm assuming I need the same firmware I was running to reload onto the phone. Any other files needed?
Thank you so much! cheers
https://www.theupdatebox.com/how-to-downgrade-nothing-phone-1-from-android-13-to-android-12/
https://rootmygalaxy.net/how-to-roll-back-your-nothing-phone-1-from-android-13-to-android-12/
I can't enter recovery mode. Only fastboot.
Flash boot and vendor_boot and you'll be right back in recovery
If it's not booting try set active slot to either a or B and flash the images mentioned above
bariz143 said:
Flash boot and vendor_boot and you'll be right back in recovery
If it's not booting try set active slot to either a or B and flash the images mentioned above
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I'm having a similar issue coming off a fastboot stuck device. I guess I managed to delete the recovery mode from slot B so I can't get into fastbootd to flash some of the lower level partitions to make my fingerprint sensor work.
The vendor_image is the recovery?
Did you guys find any solution? I am stuck with my phone stuck in the bootloader mode and I can't seem to do anything.
Here's what I did:
1) Unlocked bootloader while being on NOS 1.5.1 Beta. Successfuly did it.
2) Restarted my phone to bootloader mode and flashed dtbo, boot and vendor_boot from SuperiorOS 11th Feb build.
3) Proceeded to restart to recovery as mentioned in the instructions but instead of restarting to recovery, it restarted to bootloader.
4) Stuck in bootloader mode ever since!
Nothing seems to be working. I have tried literally everything but cannot get past the bootloader. Please help. I don't have any secondary device to use.
dizz232 said:
Hello,
I was trying to downgrade my phone from the beta to Android 12 and it's now stuck in Fastboot mode. Won't let me enter recovery. Tries to boot but just stays on the nothing logo. My bootloader is unlocked. I'm assuming I need the same firmware I was running to reload onto the phone. Any other files needed?
Thank you so much! cheers
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Click to collapse
solution available https://forum.xda-developers.com/t/unbrick-tool-edl-flash-read-repair-region-change-tool.4552471/

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