infinite bootloop after updating cm12 - One (M8) Q&A, Help & Troubleshooting

hi,
after I updated my htc m8 ( cm12 ) , my phone got stuck in an endless bootloop.
I can't get it in recovery because it continues to reboot.
please help !

Hold power + volume up, when the screen goes black you keep the power button pressed and switch to volume down. It will put you in the bootloader. Reflash the working rom and reboot.
Basic stuff mate

Related

help me.

please help can anyone help me
i flashed a custom rom here it booted fine
then i flashed a mod from here then boot-lop
just stuck in the boot animation
i can't assess to fastboot when i hold button down + power
it's goes to black screen .. please help me
sorry for my bad ENG
Hold power + volume up and when the screen goes black switch to volume down. Keep the power button pressed at all times.
It will take you to the bootloader

[Q] stuck in bootloop? Cant enter Recovery?

My phone kept getting "com.android.phone has stopped unexpectly, so i went into recovery and wiped cache and also fixed permissions and tried to reboot. Phone went to bootloop, never powers on. I try to hold power button and vol up and the phone vibrates and takes me to htc screen and then goes back to boot loop. I do not know how to get into recovery, please help?? Lollipop HTC One M8
Try holding power + volume down when the phone powers on, that should bring you into bootloader

HTC M8 stuck problem.

I rooted my phone like a month ago and installed TWRP. After ARHD i wanted to try MIUI, but when i flashed it i lose my root. I m downloaded ElementalX 4.4 gpe kernerl and i go to flash it, instalation go normaly, but when i finished twrp lagged for first time 2,3 secunds when i tap reboot. After that, phone booted normaly, white display with htc and developer text, like always, but after that come black display. It stucked here and i cant do anything. No matter how long i hold power button or anything else it cant do anything. It dont shows orange light on charger. 2 hours i cant do anything, but phone is running something, it is hot right now, cca 41 c, but its still stucked. Please help.
a
finded out now, when am hold power buton + vol up, phone just restart, and stuck like last time. It cant boot to recovery or bootloader
Hold power + volume UP, as soon as the screen goes BLACK switch to volume DOWN. Keep the POWER button pressed at all times.
That will put the phone in the bootloader, go from there to the recovery and reflash a rom with a FULL wipe otherwise it will never work.

HTC One M8 not responding to power button press during bootloop.

I just installed viper rom and I was trying to install Quantum Kernel.
The install finished for quantum and rebooting seemed fine at first. There was an updating android and bla bla bla
But weird thing is, it restarted and now it's stuck on the powered by android with the 'ono' logo on it.
It's not responding to any of the button presses im trying and I think i may need to let it die off on it's own.
I'm sure the power button is working, but idk why the device is not responding to my keypress.
Please help, this phone is kindas new.
Power + volume up = force reboot.
Once the screen goes black switch to volume - and that will get you to the bootloader.

Soft Bricked i never seen!

Hello, I was attempting to install CM 12.1 on my M8 and while trying to change the kernel to SkyDragon it started to go into a bootloop. While not really thinking i wiped everything (i seriously mean everything) with TWRP. So i rebooted my phone and now its been on the White HTC logo screen with the build warning at the bottom. I attempted to shutdown the phone and go back into TWRP but no luck. Any help? Thanks! :good:
Hold power + vol up to force a reboot (could take up to 20 seconds). AS SOON AS THE SCREEN GOES BLACK slide from vol up to vol down. This will take you to your bootloader, where you can enter recovery (choose hboot, the option is in there) and restore a backup.

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