Xperia z backlight problem.

[blazarowski]

Hi. My Z I dealing with backlight issue. On lets say white/graphic colors sreen is blinking a little. Technical support by phone instruct me to instal sw again using pc. It was better for two weeks, by now screen blinkink come back. Any advice?

[Uliwooly]

Test your phone with this 

https://play.google.com/store/apps/details?id=com.sonymobile.androidapp.functiontester

and repair your phone with SUS or PCC

Update Service (SUS)

http://www.sonymobile.com/gb/tools/update-service/

http://www-support-downloads.sonymobile.com/Software%20Downloads/Update_Service_Setup-2.11.12.5.exe

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

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

Don't forget the Kudos 

[blazarowski]

Hi. Done, some time age when. Xperia support instruct me by phone to do the same. Any next step? Btw.warranty is stil valid.

[Uliwooly]

You have to take your phone to a Sony repair center 

[blazarowski]

Contac them by Phone? Or by my network provider?

[Uliwooly]

Take it to your carrier/network they will guide you if they can repair it or if you have to contact Sony directly