Share your experience!
recently my z1 screen crashed and i have it replaced
after that the network par went crazy it`s harldy give me 1 or 2 pars
and in open speaces give me full par and may after 3 sec give me 2 or 3 and so on
i tried my sim on anther mobile it works perfect and aslo try anther sim on my sony and the proplem still on.
Ps: before the replacement i made a factory rest to the mobil and now i have Qualcomm MSM8974/Android V: 5.1.1
You should take it back to get it inspected, also you could repair the phone with XC
Alternatives on How to backup Xperias
I wil give it a try and see