Do you know what would be great? If Apple would stop dragging its feet on a weird bug in iOS that makes it possible to disable an iPhone’s ability to connect with a Wi-Fi network. Same goes for iPad devices, presumably. The problem lies with SSIDs that contain certain characters—if you connect to one with your iPhone, it could kill your Wi-Fi,

Source: Hot Hardware – New iPhone Wi-Fi SSID Bug Disables Wi-Fi And Requires A Factory Reset To Fix