Bought my Sony Xperia Z1 just under a month ago and already it has stopped working, I went onto the music app i have been using since i got the phone and instead of loading the app it went onto a black screen. I've tried the power button (holding down and just pressing), connecting it to the charger, connecting to the computer and used the reset button. Nothing has worked. Very angry as it was reviewed as a great phone. What do i do?
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