Currently Being ModeratedJan 29, 2013 4:32 AM (in response to CK Loon)
i have too same issue, i have restored my network settigns too, before the update i have not any problem on same wifi network but now this is a popup on displayed: unable to join network!
Currently Being ModeratedJan 29, 2013 8:14 AM (in response to BurnNight)
try DFU restore, i just done this morning, wifi problem solve.happy iphone 5 now
Currently Being ModeratedJan 30, 2013 6:32 PM (in response to SiLv3sTeR86)
Tried "reset network settings" and DFU restore with my iPad 4 and 6.1.
Still no wifi.