functions during calls problems.

[fares_alg]

I have a problem with my Xperia Z1, during calls I can't use a lot of fonctions like browsing Internet.... I didn't face this problem in JB 4.2, but when I update it to. JB 4.3.... You know.... Please help me.

[_alexdon_]

Download sony update service and repair your device:

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