iphone 4 wi-fi not working

[farhad]

i'hv iphone 4,its wi-fi not working even not searching can any one suggest,what can i do our how can i repair,its very urgent

 

[iFrog]

If you still under warranty I will go to my Apple store right the way. They will make it right for you.

 

[farhad]

no,its without warranty