Gesendet von meinem HTC One_M8 mit Tapatalk
I know this is pretty old thread but I kinda did same thing too. When I wanted to make a factory reset I wiped every data and didn't installed any other ROM's. Now my phone is stuck on HTC logo screen. Can't access to bootloader or anything else. When I try to press VolUp + Power buttons, it only restarts the phone and keeps stucking on HTC logo screen.
Can anyone tell me what to do?
Failure to access bootloader is usually user error. Try this:
1) Hold Power+vol up to force a reboot.
2) The moment the screen goes dark to reboot, let go of the buttons, and only hold vol down. Don't let go, until you see the bootloader screen.
3) If you get stuck on the logo screen again, you probably just got the timing wrong. You either started pressing vol down too late, or let go too early. Repeat steps 1&2, until you get it right.
Once in bootloader, you can boot to recovery (assume you have TWRP) restore a backup, or flash a new ROM.
This should be a lesson, when wiping in TWRP, do not wipe anything if you don't understand what it is, and what the result will be.
Just quoted you in case you would please help me out.
I had a M8 which I gave to my father like 1,5 years ago. It was still running Lollipop (5.0.2 I think), unlocked, rooted, s-off, supercid with a custom ROM (Renovate can't remember which version exactly but Lollipop for sure).
Anyway yesterday he got a message saying the SU binary has to be updated so I went on to update it through recovery (better for HTC devices).
When I pressed ok the SU app just FCed so I decided to manually boot into recovery. As soon as I went there it tried to flash something (didn't even had a chance to see exactly, was a wall of text) but it was unsuccessful cause I certainly saw the word FAILED in red letters and the rebooted itself automatically.
Since then it goes to the boot screen and it is stuck there.
I tried many things like fastboot erasing cache, wiping cache and dalvik in recovery, fastboot flashing the boot.img of the ROM and even dirty flashing the whole ROM again but to no avail.
Any insight on this?
Many thanks in advance
By chance you didn't happen to leave anything for HBoot to read and flash did you?
Hopefully your twrp recovery is still in tact. If you can get to recovery (volume and power button combination) use volume buttons to scroll to recovery. Hopefully you either have a backup or Rom on SD card to flash. Once ready to update su binary again, try the alternate method.
Chiming in late. But that was what I would have suggested. If a dirty flash doesn't work, do a clean flash.
Your dad (and everyone) should realize, if data is important to them, back it up. Don't rely on a single point of failure, as it can and will at some point fail. The default on Android, is to back up contacts to the cloud (Gmail account) and the phone will typically only do otherwise, if you specifically select to do so (at your/his peril, if other backup measures are not taken).
For that matter, it's always good to have a backup made in TWRP of the current setup; and stored on the phone/SD. Especially when applying updates to things like SuperSU (other mods, updates, etc.).
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