Jelly Bean upgrade disabled wifi and bluetooth

[Anonymous]

My Xperia T got an update to 4.1.2 at the weekend and now my wifi and bluetooth will not turn on anymore. How do I rollback or fix it?

Regards

James

[version7point0 · Accepted solution]

Hi HeyBig.

Have you tried just powering the phone off then back on again?

You could try backing up your important things then perform a factory reset.

Failing the above, the Sony PC suite has a repair option, potentially something could have "glitched" during the update process.

Hope you get it sorted.

[Anonymous]

I tried restarting before but gave it another go and wifi came back up - thank you! I wonder if it was because I powered down while connected by USB to my laptop with PC Companion on...

Unfortunately I could not try the repair option because I cannot backup my encrypted phone and it says it will blow away personal data. Is there another way of backing up?

Is there a preferred log collector or alogcat or something on Xperia to help diagnose (for future reference)?