Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether it's ...

Japanese mobile carrier NTT DoCoMo has developed an app that can wirelessly send authentication credentials to devices that are not connected to the Internet, allowing more hardware to get online or ...

The applications must regularly check if the original SIM card associated with the account is inserted in the phone. (Image: Unsplash) The Department of Telecommunications (DoT) has issued a new ...