Use a SIM ejector tool or paperclip to gently remove the SIM tray. Take out the SIM card and inspect it for damage, such as ...

SIMs offer faster activation, better security, and easy travel SIMs, but drawbacks include harder transfers, carrier limits, ...

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 ...

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 ...