I'm actually going to crack up.-received this phone (Xperia T - LT30) on tuesday, I've only had it 6 days, and it needs replacing already, issue is that my screen after a few hours charging is blank with just a green LED in the top left corner of the screen.
I had setup profiles so that when it was charging certain aspects of the phone would turn on or turn off.
the other thing that I setup before charging was a pin code for unlocking the phone. then plugged in for charging, and now no phone.
called the provider, and they have to send out a new phone. 
the soft reboot (power + Volume Up) done nothing, phone is cold and lifeless.
Computers USB won't even detect phone to do a reset, if the case was able to come off the battery would be able to be removed to do a hard reset, but no, SE decide to enclose the battery so no one can get at it. not cool!
not good for a flagship phone.
Surely replacing the phone isn't the only solution.
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