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, ...

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

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 ...

Nida is a tech and telecom journalist with more than five years of writing experience. She graduated from the University of Toronto with a BA in journalism. You have more than one option for ...