SK Telecom (SKT) announced April 22 that “customer USIM data was leaked due to malware,” but the company did not disclose what and which sensitive information was leaked, or to whom the information ...

Although cell phones have changed significantly in the last few decades, they still need a SIM. Some phones have moved to eSIMs, but many still use physical SIM cards. If you have a working phone, ...

A Safaricom SIM card is essential for making phone calls, staying connected with friends and family, and carrying out transactions through M-PESA. Losing your SIM card can disrupt access to these ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

When an Android phone shows “Not Registered on Network,” it means the device is unable to communicate with the carrier’s ...