iOS 5 brought many features but it also appears that it brought problems such as the low battery life and many other bugs. Another issue in iOS 5 that you have probably noticed is that it having problems connecting to WiFi network. The official Apple forums is receiving many posts of users complaining that their device’s WiFi have stopped working after updating to iOS 5. This problem is showing up in most iOS 5 compatible devices including the iPhone 4, 4S, and iPads, as forum users are reporting from their own experience with those devices.