Sony Xperia Z3 Compact hangs

[NatahaM]

Hello! My Sony Xperia Z3 Compact hangs, the sensor ceases to work, randomly reboots, periodically doesn't reproduce incoming calls, a set of number doesn't work, not to switch off an alarm clock, etc.

[Uliwooly]

@NatahaM

Repair the phone with XC and report back

Xperia Companion (XC)

Software Repair Guide

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355