Iphone 4 having wifi issues...HELP!
 

I have a iphone 4 on AT and T and I had the screen replaced last week. Since the screen was replaced the wifi doesn't work. I have checked all the usual setting (wifi switched on) and such and still it won't work. Anyone got any idea what could have happened to it. Could the technician screwed...

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Courtesy of WestNet Wireless
www.westnet.ca