You press power and volume up a few seconds, if not help, try to pick battery.It helped me. Sorry for my English
Odoslané zo abofónu :P
no problem my english same I try it but not open my xperia :\ I backup ta for xperia(backup ta 9.8) and I install ta Do you want the program restart the phone asked I accept.My xperia restarted then not open :\
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