Sony Xperia ZR call disconnect problem

[RJ]

I have a sony xperia zr, at times i found it stays on call ending for very long time, I have to switch it off then on to make it work . Anyone have similr experiance and any way to correct it.

Thanks

[Uliwooly]

It'll be a good idea to repair your phone 

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