USB Tethering means internet sharing. It makes your phone a WiFi router and allows you to share your phone's internet connection with the connected PC. Tethering works when your phone is connected to the internet via mobile data or a WiFi network. 1. Go to Settings > Network & internet > Hotspot & tethering > USB tethering. 2. Connect Nothing Phone to the computer with the USB cable. 3. Connect to WiFi with network access or insert the SIM card to Nothing Phone and connect to an available data network.