I can not turn on my wifi on iphone 4
after trying to download a app from the app store my phone hung for a while then kept asking me to connect to wifi but would not allow me to turn wifi on
. I can go in to settings and it just says no wifi and will not allow me to do anything with regards to wifi, i have put the phone back to factory setting and reset as totaly new phone any help would amazing .
iPhone 4, no wifi