HTC One bricked? Stuck in RUU mode with alerts signs on edges

Cero92 · Feb 4, 2014

Hi all, I was flashing a downloaded RUU after trying to going back to stock, then I got an error.

Now I'm on RUU mode (that seems to be fastboot, but with HTC flashing image on screen). Fastboot commands works. I managed to unlock it again via HTCUnlock so now I can flash unsigned files.
However, I can't get past the RUU mode: it doesn't boot on classic bootloader or in recovery.

Any idea?
I took some photos but my connection is very slow.

If I remember right there was a fastboot command to exit RUU mode, but couldn't find anything about that right now.

EDIT: managed to boot with "fastboot oem boot". But when I reboot, it comes back in RUU mode. Bootloader and fastboot still seems to be unavaliable :\

Cero92 · Feb 4, 2014

Solved, I'll write an article about that

Here is it, in case someone finds in the same situation: http://www.francescocrema.it/telefonia/unbrick-htc-one-htc-black-screen-with-warning-signs-on-edges/

I have a question now, just to understand what happened: if my original phone's CID is XXX, if I set it to YYY, then install a RUU for YYY, lock the bootloader and S-ON, should that work?
If not, how can the phone know that it's original CID is not YYY?

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HTC One bricked? Stuck in RUU mode with alerts signs on edges

Cero92

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Cero92

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