Mine too, was using it last night, just facebook, about 50% charge and it just went blank and wouldn't reboot, it is 8 days old. Tried all the Sony advice from the web including re installing the software but it does the same blinking red light then green and screen keeps back lighting then going off. This is probably my last Sony phone now after a previous 7. It's on Virgin which are fantastic until something stops working and you need help....then they are hopeless. Doesn't seem to be much info around for a fix.
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