Activating your BSNL SIM card is a simple process that ensures seamless connectivity for calls, SMS, and mobile data. Start by inserting the SIM into your phone, then complete tele-verification by ...

The BSNL 4G activation process works on Android and iOS devices. If VoLTE is already active, you don't need to send a message. You can check if VoLTE is active by looking for the VoLTE icon on ...