Samsung Galaxy Note II N7100 WIFI Problem Repair Solution Samsung GT-N7100 Wifi Not Working Problem Repair Solution Samsung Galaxy Note II N7100 is not only a Smartphone that people use to make or receive calls or to do text messages, it is also the device that people prefer when it comes to the usage of internet Wi-Fi not working. Wi-Fi device not found by the phone. Wi-Fi option is disabled (Grayed out, which means that you cannot toggle between ON / OFF). Data Packets are not transferring. Connected but no signals.