Open your phone Settings. Scroll down and select System, then tap on Reset options. Carefully select Reset mobile network (or Reset WiFi, Mobile Network, Bluetooth), and then select the affected SIM card. Finally, tap on Reset Settings.
Open your phone Settings. Scroll down and select System, then tap on Reset options. Carefully select Reset mobile network (or Reset WiFi, Mobile Network, Bluetooth), and then select the affected SIM card. Finally, tap on Reset Settings.