phone won't connect to wifi

[huttonp5]

My phone won't connect to any wiwfi, tried everything. My data is through the roof this month. I have had nothing but problems with this phone. Never buying another Sony product for as long as I live.

[Phy]

boot on safe mode and try to connect to' wifi again 

http://talk.sonymobile.com/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008

[Phy]

You can also check this post "Wi-FI problems?"

http://talk.sonymobile.com/t5/FAQ/Wi-Fi-problems/m-p/348104#U348104

[Uliwooly]

Have you tried to repair the phone with PCC?

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

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

[Uliwooly]

If that doesn't work, contact your local Xperia Care

http://support.sonymobile.com/global-en/contactUs/