Thursday, July 28, 2016

Htc One AT&T trying to upgrade to lollipop using official RUU - get error 155

Have a Htc One (AT&T, but unlocked) and it is running Android 4.4.2 . I see there is an update for lollipop in form of the RUU officially from HTC (7.23.502.9).
http://ift.tt/1ERqXYw

I attempted to install it but get an error 155.
Using Windows 10.
Drivers are installed.
Tried several RUU's but with same result. Tried it on 2 laptops (both windows 10), have no accesss to windows 7 or windows xp at the moment to try anything else.

Attaching a screenshot of the bootloader screen of my phone.

Any help is appreciated.
Thank you,

Attached Thumbnails
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