HTC One A9 (US at&t) - LineageOS Questions & Answers

Has anyone been able to successfully install LineageOS on an HTC One A9? I had to use WinDroid Toolkit to flash TWRP. After installing both LineageOS and Gapps zips I reboot and the white HTC boot screen freezes (the one with the red lettered developer error). My bootloader is unlocked and S Off. I've tried this over several times with no go

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[Q] Official MIUI Bootloop

Hi all,
I just needed some help with flashing, I recently unlocked the bootloader of an HTC One X (Tegra 3 model) and downloaded the latest MIUI ROM straight from MIUI.com
I flashed the boot.img file using flashboot and I erased the cache, but the phone does one of two things:
HTC Logo, gets stuck at boot screen, hot reboots, boots up until the "Add Xiaomi account" screen and then hot reboots again and loops this
or
HTC, stuck at boot screen, hot reboot and loops this
Could anyone shed some light on this matter please?
Thanks in advance everyone =)
Did you wipe caches?
If you were running JB Sense(hboot 1.23 or higher) you will need a "special" boot.img, you can ask in MIUI forums about that.

Is my M8 bricked?

Hi XDA-Fellows
1) thanks for all the help of this community so far
2) my problem: I had my HTC One M8 rooted, installed TWRP (I think in the end I had 2.7.8.0 as last version) and Cyanogenmod with a nightly build of around 18. March 2016 installed! THEN the big mistake happened. In advanced developers menu of cyanogenmod I activated the option that was called something like "on update of system also replace recovery software". That obviously was stupid.
Upon rebooting normally TWRP launched and installed the latest nightly. This time I see the white screen with HTC logo on it, red text in bottom, top part of the screen shows "ENTERING RECOVERY", 3 seconds later I see a black screen and every like 2 or 3 seconds it looks like the screen gets powered, it flashes darkgrey shortly (again, looks like it gets powered but instantly shuts off immediately).
This just can be stopped by pressing either P+U or P+D for like 10 seconds. Then again, white screen with HTC logo and ENTERING RECOVERY and the screen switch on/off-loop.
Is my device bricked? What can I do now?
Any help is appreciated.
Hi,
Can you enter to your bootloader ? So maybe you can just reflash it to see if it's going to work..
BelDev said:
Hi,
Can you enter to your bootloader ? So maybe you can just reflash it to see if it's going to work..
Click to expand...
Click to collapse
Yes I can enter bootloader. How should I go on from here on?
Well you just need to download the new TWRP from their web site https://dl.twrp.me/m8/ after that you put your device into bootloader and you plug your phone into your computer and download a toolkit from xda like htc one m8 toolkit and you follow the instructions..
BelDev said:
Well you just need to download the new TWRP from their web site https://dl.twrp.me/m8/ after that you put your device into bootloader and you plug your phone into your computer and download a toolkit from xda like htc one m8 toolkit and you follow the instructions..
Click to expand...
Click to collapse
Thanks. I will give it a try and give feedback.
It worked. I could enter bootloader, switched to FASTBOOT mode, installed ADB Drivers for windows and replaced recovery with latest TWRP! THanks a lot for your help! I thought I could throw away my M8
Well. It worked not completely. I was able to reboot my phone into the Cyanogenmod. But upon entering recovery mode (which I expected now to be TWRP) I get the same result again ... Screen off/on within seconds, repeating endlessly
I think you need to reflash the boot.img and the ROM completely. Because i don't know why do you have a black screen.
I activated root access for apps and tried ROM Manager first! It failed, then I used flashify which worked. Automatically downloaded latest TWRP (3.0.0.1) and flashed it, reboot into recovery. Everything works like a charm again! Thanks again for your help!

Htc desire 816 rebooting issue

i decided to root my HTC 816. I did everything according to steps and installed cwm recovery also but after installing it and the phone got stucked in booting ie (stucked at HTC GREEN LOGO) neither it is switching off nor it shows any progress.
why should i do?

htc desire 816 stuck at boot screen..

hi everyone. my htc desire 816 was running on lollipop 5.0.1(htc a5 dwg india version dual sim). it was rooted and bootloader unlocked and for rooting i had flashed cwm recovery... so everything was going fine. then i recieved update notification for marsh mallow (first step of which is of 68.2 mb). so i flashed stock recovery and downloaded the update.. but while installing i got red triangle error. i tried to install 2- 3 times but result was same. then i read one thread on our forum in which it was mentioned to flash the stock recovery which i recieved in 68.2 mb update file. i flashed the stock recovery then downloaded the ota update and it got install .. everything went well. but the device is stuck at bootscreen with green htc logo.. thats it.. now when i connect my device in fastboot mode its getting detected in my pc's device manager but not in adb devices. so i am not able to use adb commands....
my device is still stuck at bootscreen from 1 week.. plz help plz plz pz.......
Bro try this, maybe it help:
1. Hold Power & Vol Up at a time until LCD Light goes off2. Hold Power & Vol down‪#‎Note‬: Don't delay a second between procedure 1 & 23. Your phone should boot into Bootloader mode & select Fastboot★ Now you can go into‪#‎Recovery‬mode, do wipe & restore ROM backup to recover your HTC Desire 816
try to remove battery and connect it so phone switches off.Then . Hold Power & Vol down‪ Now you can go into‪#‎Recovery‬mode, do wipe & restore ROM backup to recover your HTC Desire 816

Galaxy Nexus doesnt boot, has locked bootloader and no recovery installed.

Hi everyone,
I have a old Galaxy Nexus in these conditions:
- No recovery installed (tried to go into recovery by fastboot mode and no recovery is installed)
- Locked Bootloader
- The phone doesn't completely boot, it stucks in the X logo
The phone is from a friend who asked me to "save it"! What can i do in these conditions? I have tried to unbrick it, tried 2 methods i found here in xda and no luck.
I installed Android toolkit and follow the steps, 1 installed the drivers and 2 tried to unlock bootloader, it reboots into fastboot but the it stucks, i have to disconnect and connect again and the does not completely boot, it stucks in X logo
What is possible to do to save the phone? Can anyone help please?

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