Share your experience!
I've instaled the update and since I have the battery power level has rocketed. I'm having to charge at least four times a day. Now my phone has powered off completely and doesn't seem to want to come back to life.
What's going on?
Charge it for 2 hours,force shutdown:
Turn it on normally.
This is not Xperia Z forum.But I cannot answer,you have to contact xperia care:
http://www.sonymobile.com/global-en/support/contact-us/