Wifi connection problems

[babyshark]

when i turn on the wifi  my xperia go shutdown quicly.

i was use cm12 and i use cm11 and finally i use to flash to j.b. 4.1.2 but it still when i open the wifi  it make  reboot 

so i flashed again .

so now i can't use wifi  i wont solution please

[Uliwooly]

@babyshark

flash Sony's ROM or check with the ROM developer

[CarolineBialon]

Have you updated to the lates OS version? If not, you should as it could be something wrong with your current installation. YOU may want to go to a Sony centrer if it doenst work