Help I don't know how to fix this - One (M9) Q&A, Help & Troubleshooting

i have completely messed up my HTC One M9. My HTC has got cynagen mod 13 recovery and no os i tried to install roms and a stock rom through adb but it keeps on failing and whenever I install a new recovery like twrp it fails to load and my htc is just stuck on the booting screen. I have tried adb, cynagen recovery, twrp recovery (didn't turn on), custom roms,stock rom, adb sideload and it always fails i need help guys.

Download the RUU for your device from htcs website then boot to download mode. This will wipe everything and get you back to stock.

Related

[Q] another person stuck with HTC splash screen

I have a Canadian HTC m9 , bootloader unlock, Twrp , rooted.
i was going to do a OTA to get the fix for the camera and heat issue. however on the process to revert back i end up stuck on the HTC splash screen with recover twrp acess .
what i did is did flash my backup file before the root and tried flashing stock recovery file. but no luck.
i tried flashing again the twrp and still no luck. and everytime i tried to reboot it shows NO OS installed.
any suggestion on what i can do to fix it? im kind new in HTC, i read upon the forum and not sure where to get RUU or the right ROM or if i should flash does stuff..... can i get some help?
I would suggest you flash the latest recovery through fastboot (2.8.6.4) from here https://basketbuild.com/devs/Captain_Throwback/One (M9)/Recovery and try to flash a custom rom or run an RUU if there is any for your variant
mykeli9s0 said:
I have a Canadian HTC m9 , bootloader unlock, Twrp , rooted.
i was going to do a OTA to get the fix for the camera and heat issue. however on the process to revert back i end up stuck on the HTC splash screen with recover twrp acess .
what i did is did flash my backup file before the root and tried flashing stock recovery file. but no luck.
i tried flashing again the twrp and still no luck. and everytime i tried to reboot it shows NO OS installed.
any suggestion on what i can do to fix it? im kind new in HTC, i read upon the forum and not sure where to get RUU or the right ROM or if i should flash does stuff..... can i get some help?
Click to expand...
Click to collapse
you solved the problem at the meantime?
if not.
push via adb a rom.zip to your sdcard and flash it via twrp recovery
yes it did fix it, i was able to boot the phone up again however, can i still flash my original back up so that i can get OTA? i tried using Venon ROM and according to them i can get the OTA but when i tried to update it no update available and i know there is one. i check my build # it still the old one, 1.32.401.17 CL506785 release key.
any idea?
thanks for your time.

Sprint HTC one m9 fail

I previously rooted my htc one with s-off as well. Had TWRP 2.8.6.4 and Viper ROM. I recently decided to use the htc again and tried updating everything. First, I flashed new Viper ROM. ROM wouldnt boot up but gave successful install. I can only assume because the firmware was out of date on my phone. I then tried flashing TWRP 302 img and now phone wont boot into twrp. I was able to get into download mode, bootloader and thats it. I downloaded the Batch tool and did cmd/ adb reboot download. It took my phone to a black screen with a security warning about flashing any rom not fron htc can get you info stolen. I then tried fastboot flash zip rom.zip Unfortunately the rom.zip i had from Sneakyghost's firmware page isnt compatible with my sprint phone. I am looking for the correct zip to flash. It seems that i am committed at this point to this method because i cannot reboot into bootloader anymore. At least i think i cannot. Any help is greatly appreciated. Thank you
I was able to restart phone back into bootloader
i can access download mode as well but cannot boot into recovery mode
Software status : modified
Unlocked
s-off
Whenever i try flashing a slightly older version of TWRP i get a successful flash on both phone and computer but it still wont reboot into recovery

Failed boot into recovery

I tried booting my HTC ONE M8 into recovery mode and I got a warning sign on the screen which stayed for about 20 mins before the phone automatically rebooted and it's working fine, does this mean that I don't have a working recovery? And how can I fix it. Screenshots attached.
That's a working stock recovery. Why do you need to boot to stock recovery ? You won't be able to install custom ROM with stock recovery, you need custom recovery like TWRP installed first.
BUT first thing you need to do is update your current firmware to at least 4.21.512.4. If not, no use to install TWRP as most custom ROM won't work on your current firmware.
Go back to your thread and read again the link given to you. You won't accomplish anything without reading
http://forum.xda-developers.com/htc-one-m8/help/htc-one-m8-doesnt-update-option-t3434099

NEED HELP, CAN'T BOOT INTO RECOVERY/OS - One Plus 3

I was running an unlocked one plus 3 on OxygenOS 4.0.2 (Android Nougat) and have TWRP installed. As 4.0.3 got released yesterday, i tried installing it today but i accidentally hit install on the OTA update setting which caused my phone to reboot. Now my phone won't boot into the os, i get a black screen after 'powered by Android'. I tried getting into Recovery however i get the same response, a black screen. I do not think it is hardbricked as the Fastboot still works and when i go into fashtboot it states that the OEM is 'unlocked'. I have personal data on this device pls can someone help. I do not know what i should do> How do i boot into recovery without crashing?
Is it possible to install twrp again with the PC? I had once also the same problem, install it again and after that it booted again into recovery.
Just install TWRP from fastboot, then you'll have access to internal storage by TWRP
It's happening because it's trying to send you to recovery which is twrp 3. 0.4-1which is bugged so just go to fastboot and flash twrp 2.0.4-1 and then try booting in.. You can even update the phone by flashing the update zip by oneplus from recovery

Phone stuck in bootloop without os

So, I installed philz recovery on my htc desire 816g. And decided to flash this rom-
https://forum.xda-developers.com/de...-1-slim6-v0-9-htc-desire-816g-mt6592-t3448796
The recovery showed that there is an error in the file. I had completely wiped my stock rom and had forgot to take backup. After showing that error, the recovery automatically rebooted the device without an os. It is now stuck in bootloop and it is not being detected by my laptop via adb. Please help!!

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