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 ...

In the wake of the so-called “unauthorized micro-payment” hacking incident, telecommunications company KT will offer free SIM card replacements to all its subscribers, while CEO Kim Young-shub “will ...

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, ...

The "No SIM Card Detected" error can be a frustrating issue for smartphone users, disrupting essential functions like making calls, sending texts, and accessing the ...

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

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 ...

Stephen is an author at Android Police who covers how-to guides, features, and in-depth explainers on various topics. He joined the team in late 2021, bringing his strong technical background in ...