Repair xperia z1

[nonu1910]

How do I repair my Sony xperia z1

[Thommo]

Performing a system repair using PC Companion - This will factory reset your phone and erase all data

Switch off your phone and unplug from Pc (Hold volume up and power for around 10 seconds)
Start PC Companion and select Support zone then Update my phone/tablet then in Blue Repair my phone/tablet and follow the on screen instructions - When prompted connect your phone still switched off holding volume down or back button - This should start the repair or reformat process

If you are using Windows 8/8.1 or a 64bit operating system then adjust the settings for PC Companion and run in compatibility mode and chose Windows 7 or XP

[SophiaW]

Hi nonu1910, welcome to the community!

Also, if you can power your handset on and unlock the screen then you can back up data beforehand. 

1. Start PC Companion on the computer. 

2. Connect your phone to the computer using a USB cable.
3. Click Start under Backup & Restore.
4. Follow the on-screen instructions.
(Exactly what contents will be backed up may differ depending on phone model.
You can view detailed information about this as you follow the steps in the Backup & Restore wizard).