iOS 7 Bug Causes Wi-Fi Issues For Some iPhone 4S Users | iPhone in Canada Blog - Canada's #1 iPhone
It appears a widespread iOS 7 bug is affecting some iPhone 4S users. According to this Apple Support Communities thread (54 pages; 106K views), frustrated users are unable to use Wi-Fi on their iPhone 4S after upgrading to iOS 7.0.3, as the option is grey...