sony xperia u wifi problem

[raviteppala]

After updating Android version 2.3 to 4.0.4, i am not able to open WIFI and showing continuously raising waves for WIFI in the Short cut tools. I am not able connect using WIFI through my Xperia U. 

Please provide me solution urgently.

[_alexdon_]

Check out this topic first:

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