HTC Desire 12+ Stuck on a bootloop. - HTC Desire 12+ Questions & Answers

Hi. My device is stuck on a bootloop, i tried to flash LineageOS gsi (an unofficial one, and tried other roms, same story.) both in twrp, and fastboot. Im trying to contact HTC for the stock rom. So far, no rom yet. catlog. Do you know what's going wrong in the log?

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HTC one M9 Stuck after flash custom rom

Sorry, i'm new bie here, this is first post,
Hi, i'm new to HTC, did unlocked and rooted it last night, this morning I tried flash custom rom crdroid 6.0.1, it said completed, then hit reboot, now the system boot to HTC ONE logo and stuck there forever. What I did something wrong, or rom does not for HTC m9, Need some one help, please.
PS: Before I flashed it, also if forgot hit back up system, now what can I do, thanks in advance.
I got system back to boot now, after re-flash other rom ViperOne M9+3.5.....and used TWRP-2.9.1.0-hima

Phone won't boot

Guys I think i did something a little stupid haha
I received my new HTC M9 today. I rooted the device, installed TWRP just fine, and then I installed a custom ROM (all as I did with my M8).
My problem is that after installing the custom ROM (which installed successfuly) now the phone gets stuck in the HTC logo.
Now adb don't recognize the phone even when I manually enter download mode. I don't know what to do
Can someone give any ideas?
I solved it. Please close the thread

Back to Stock ROM

I flashed LineageOS 14 ROM in my device, then after a while I flashed Unofficial LineageOS 15 but due to my firmware not being updated my touch sensor didn't work. I tried to update my firmware via this tool which I don't know if it went properly or not because it closed at one point without any information.
I flashed a TWRP. I tried to boot some ROMs but they don't boot up. How should I proceed?
(Since I'm on Samsung now I don't know much about HTC now.)

G4 only boots to TWRP

I recently dug out my old G4 to see if I can repurpose it for anything or just have it as a back up.
It's an H815 European variant with unlocked bootloader. When I last used it I had it running a custom ROM but when I got a new phone I wiped it somehow with TWRP (this is a few years ago so I can't remember).
Now whenever I turn it on, it boots into TWRP. If from TWRP I choose reboot to system, it boots to TWRP.
I tried to install a ROM but it wouldn't, giving the error "this ROM is for P1,G4,H815 (or something like that), your device is .".
So, I edited the ROM metadata and took out the device requirements and it installed fine, as did GAPPs & SuperSU, but still it only boots to TWRP. I've flashed bootloaders, kernels, god knows what else, but it only boots to TWRP. That's it.
I also tried to return it to stock using these: https://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848 but it had errors connecting to servers and never installed anything.
I'm aware that I won't be able to recover anything on the device and that's fine! I just want to boot it with ANY ROM, and I'd be grateful for any help! Thanks!
mrmrchoice said:
I recently dug out my old G4 to see if I can repurpose it for anything or just have it as a back up.
It's an H815 European variant with unlocked bootloader. When I last used it I had it running a custom ROM but when I got a new phone I wiped it somehow with TWRP (this is a few years ago so I can't remember).
Now whenever I turn it on, it boots into TWRP. If from TWRP I choose reboot to system, it boots to TWRP.
I tried to install a ROM but it wouldn't, giving the error "this ROM is for P1,G4,H815 (or something like that), your device is .".
So, I edited the ROM metadata and took out the device requirements and it installed fine, as did GAPPs & SuperSU, but still it only boots to TWRP. I've flashed bootloaders, kernels, god knows what else, but it only boots to TWRP. That's it.
I also tried to return it to stock using these: https://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848 but it had errors connecting to servers and never installed anything.
I'm aware that I won't be able to recover anything on the device and that's fine! I just want to boot it with ANY ROM, and I'd be grateful for any help! Thanks!
Click to expand...
Click to collapse
Go to thw official TWRP thread and flash the latest preview TWRP version.
Sent from my OnePlus 6T using XDA Labs
Try latest rom and one by one different rom. It's rom related issue. Don't worry, it'll be okay.

Possibly bricked OP3

Hello guys,
Not sure if it's the right place to ask for help, but I really hope it is.
TLDR: been using an Android 8.0 custom ROM for ages (3 years now), thought I'd update to 10, but I couldn't through TWRP 3.5.4; after that I've read that I should install Oxygen OS 9.0 first, and then I'll be able to update to custom ROM 10.0.
So here I am, trying to flash an official ROM based on XDA (which should be working as it did work for lot of people) - it does work, although when I'd try to boot the system, it's stuck on the OP logo for a min, and then I'm dropped in the bootloader.
So going back to TWRP (yes, it did not overwrite TWRP for some reason) - doing the exact same stuff, nothing happens. Tried the unbrick tool too, but it's stuck on Param Preprocessing for 30 mins. Still have TWRP on my phone, and I can boot into TWRP.
Question: what the frick should I do now?
Hoping for some helpful answers! Thank you in advance. <3

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