No cervice, please help!!!

[nick1999]

On the lockscreen, my xperia T shows No service, but I see there is signal anf can make calls. How can I fix this?

[Uliwooly]

You might want to get a new SIM card 

[nick1999]

I tried another sim card and it did exactly the same

[faisal3dfx]

This is a common bug from the update 4.3 jellybean. You may try to factory reset with erase everything (plz backup everything before doing this) or you can try a software repair using pcc or sus.

Thank you.

[Uliwooly]

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

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