[Q] Boot loop after Google's update - Nexus 6 Q&A, Help & Troubleshooting

My out of the box Nexus 6 is now stuck looping on and off at the Google boot screen after it tried to install the system update.
I've used the toolkit 1.9.8 to go back to stock. It goes thru the steps appearing to show OKAY and finished at each step. It never reboots the phone at the end. I try to force reboot after waiting for several minutes and it still boot loops. I try again the process again and sometimes it loops and a few times it actually starts up to the welcome screen. However, if I try to root or update recovery (using the toolkit), I get the boot looping again.
Did google bork my phone during a failed update? Is there anything else I can do to completely restore the phone? I've also downloaded the images on google and flashed---same boot loop.
Ultimately, my phone is now booting up to the welcome screen as expected and shows LRX21O. BUT, if I try to do anything (root or recovery), boot loop results again.
(I was able to unlock the phone and know about the usb debug and OEM unlock settings in dev menu, fyi).

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softbricked 6? stuck at boot animation

Was running stock 6.0.1 in unlocked mode, and applied the 7.0 OTA Tuesday AM. Phone booted fine, with the exception that the 6.0.1 boot animation displaying. Phone booted into 7.0, so whatever. worked great for 2 days, when i woke up yesterday screen wouldn't turn on, so hold the the power button and re-start. Phone got to boot animation and stayed there for an hour until i shut it off, never got to the pattern unlock screen. I've tried wiping it, factory resetting it, installing TWRP to wipe and install, nothing, still stuck at the boot animation, no matter how long i let it sit. I've tried flashing other roms, with the same results. I can get into bootloader and recovery without issue, and can flash without errors (that i'm aware of) but always have the same result. Any thoughts? Or am i going phone shopping today?

Android 10 OTA problem Gone into loop

Motorola one power after android 10 update doesn't go past Motorola screen and loops between Android One and Motorola Animations.
I tried to update last night, with system update only.
got stuck on loop, won't go further Motorola screen. I think it restarts again and again. Plz Help
After so many loop it says
Can't load Android system. Your data may be corrupt. If you continue to get this message, you may need to perform a factory data reset and erase all user data store on this device. and then 2 options 1] Try again 2] Erase data.
But If i Press Try again, it gets to Animation loop again.

Tab A 10.1 2019 bootloop won't shut off

I tried installing a custom ROM and rooting my Tab A 10.1 2019 and now it is stuck in a bootloop and will not turn off. What happens:
1. I get the Galaxy Tab A screen
2. Get a message about boot loader unlocked
3. Tablet starts showing the Samsung logo loading screen
4. Tablet restarts
I can't get it to break this loop, it won't even turn off., just keeps looping. Any advice?
When you see the boot-up logo quickly use adb to reboot into recovery and re-flash
Hi. How did manage the problem.? I have mine at the same behavior. Cable was dettached while flashing with Odin.
Can you still boot-up at all? i.e. does any boot screen show up? If the screen turns on make sure its plugged in and then use ADB reboot recovery to get back into recovery if it hasn't been overwritten. From there you can mount storage if its TWRP and push files to your device for the ROM, and then flash from recovery. Also you could try to find an app that can fully restore your device to factory, I know there are apps that can do that. Good luck bro. Try drfone?

Can't get into recovery

Hey all
I'm updating to May Updates using This Guide and then plan to update to June.
Problem is that I send 'adb reboot recovery' and the phone restarts, shows the start up screen, then the Google logo, then restarts without ever showing the android logo.
I can get into Fastboot mode and try to select recovery with the volume and power, but again, it boots to the google logo, then back to the unlock warning and boots to my lock screen, never going to the android logo.
Ideas?
ibphantom said:
Hey all
I'm updating to May Updates using This Guide and then plan to update to June.
Problem is that I send 'adb reboot recovery' and the phone restarts, shows the start up screen, then the Google logo, then restarts without ever showing the android logo.
I can get into Fastboot mode and try to select recovery with the volume and power, but again, it boots to the google logo, then back to the unlock warning and boots to my lock screen, never going to the android logo.
Ideas?
Click to expand...
Click to collapse
Make sure you are using the latest adb/fastboot binaries (April, 2020). Flash the stock boot.img from the same guide. You will be unrooted but will be able to boot into System. Now read up on how to patch your own boot.img, it really is very simple. Personally I do not depend on, wait on, or use OTA's. The full image is available the first Monday of every month, and I extract/patch the boot.img from it. The whole operation including rooting takes just a few minutes. It's just one extra step. Once you get the pattern down it can be done very quickly, consistently and you're not depending on someone else's files. If you are bound and determined to use this method, you should seek out more guidance in the tutorial thread itself. Good luck. :good:

Pixel 4 XL won't boot anymore

Hello all,
I have been using my Pixel 4 XL for years, and all of a sudden it shut down, and now it keeps being stuck in a booting loop.
I get to Google's logo and the loading animation ... and then it turns black, and starts all over, in a loop.
I am able to access the bootloader and recovery mode.
I tried a complete wipe through recovery mode, didn't change anything.
I wanted to flash original images, but the bootloader is locked and I haven't found any way to unlock it without going through the phone settings (which doesn't boot anymore).
All fastboot flashing related commands fail stating my device is locked.
Would you have any suggestion ?
Anything I should try before considering my device is completely dead ?
Thanks in advance
utundu said:
Hello all,
I have been using my Pixel 4 XL for years, and all of a sudden it shut down, and now it keeps being stuck in a booting loop.
I get to Google's logo and the loading animation ... and then it turns black, and starts all over, in a loop.
I am able to access the bootloader and recovery mode.
I tried a complete wipe through recovery mode, didn't change anything.
I wanted to flash original images, but the bootloader is locked and I haven't found any way to unlock it without going through the phone settings (which doesn't boot anymore).
All fastboot flashing related commands fail stating my device is locked.
Would you have any suggestion ?
Anything I should try before considering my device is completely dead ?
Thanks in advance
Click to expand...
Click to collapse
Try sideloading an OTA image. You can do that with a locked bootloader.
Thanks Lughnasadh
I've tried multiple times, and the process fails randomly, at different percentages ...
The phone suddenly reboots and the laptop displays " adb: failed to read command: No error"
The weird thing is it doesn't reboot and can stay up for super long while on the bootloader.
With a locked bootloader the rescue OTA (full OTA image flashed via adb) is all you have. I would try a different data cable (A-to-C) first and then move to a different computer. Make sure the new PC is running the latest adb/fastboot binaries. This is why I unlock the bootloader on every Pixel in my family. Even though they will never root the phone, if the fit hits the shan you have many more options. BTW, I just traded in my son's P4XL and got $285 trade-in on a 6a. Net cost was less than $150. The deal just ended but will likely come back again. Same deal was offered earlier but included a pair of first-gen earbuds. Wish you luck on getting your old phone working. The P4XL is still my primary phone and is still working well.

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