Help me to repair this error

[Phuc]

Hi. I have Xperia Z1 C6903. I use network of SFR in French. When a call is coming, it does not show the name and phone number on the screen. Although I saved this phone number in the phonebook (contact). I don't know this error by telephone or by the network.Can anybody help me ?  Thank you

[Uliwooly]

Try this

backup all your contacts > then repair your phone with SUS or PCC and check again

Update Service (SUS)

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

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

[Phuc]

Thank you so much, i try with different mobile and it have same problem. So that, it is a problem network of telecommunications

[Uliwooly]

It makes sense, contact them asap