This might not be one for this forum, however I'm hoping it's an easy issue for someone who knows more than I.
I've been attempting to root my HTC One M7. I've followed a number of online guides, namely these:-
I have enabled developer options, and USB debugging etc without issue. Having started the phone in FASTBOOT USB mode, my ubuntu machine could connect, and I backed up successfully, and also unlocked bootloader.
Having now unlocked the bootloader, my ubuntu 14.04 machine sees my device only when it is switched on normally, and not when it's in FASTBOOT USB mode (as I presume I'll need to be to restore the backup?)
Output of lsusb is as follows:-
Bus 001 Device 005: ID 0bb4:0ff0 HTC (High Tech Computer Corp.)
So it looks like it's visible somewhere, however the list of devices attached in sudo adb devices is blank, and if I try sudo adb restore backup.ab I get the message adb: unable to connect for backup.
The closest I found was here:-
but this doesn't solve my problem. I've tried restarting adb, and rebooting phone and ubuntu pc.
Having gone to all the trouble of backing up, I'd really like to restore.
If not this forum, then I'd be very grateful of a push in the right direction please?
Cheers, Jason