Let’s say you spent your vacation abroad a couple of years ago. Being thrifty, you removed your U.S. SIM card from your unlocked iPhone 4 and inserted a SIM card from a carrier in the country you were ...

Removing a SIM card from your phone can sometimes seem like a daunting task, but it is a relatively straightforward process that can be necessary for various reasons, such as switching carriers, ...

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 ...

Isn’t it great when a device offers easy flexibility and gives you options when considering storage or network connectivity? MicroSD cards have been one of those pariahs in the mobile world that ...

Since the dawn of the smartphone age, changing your cellular provider followed the same pattern: You’d get a SIM card from your new carrier, find something small enough to poke the tiny hole on the ...

"I failed yesterday, so I lined up early to replace my SIM card before going to work." On April 29, in front of an SK Telecom agency in Jung-gu, Seoul, people were waiting from 8 a.m. on the second ...