Every GSM phone needs a SIM card, and you'd think such a ubiquitous standard would be immune to any hijack attempts. Evidently not, as Karsten Nohl of Security Research Labs -- who found a hole in GSM ...

SIM cards have been an integral yet often forgotten part of owning a smartphone for the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

CHICAGO (WLS) -- Your social media and banking apps could be hijacked and your phone shut down and taken over. The Federal Trade Commission tells the I-Team that cases of the SIM swap scam have been ...

Just book your dream vacation overseas? The next step is to avoid costly roaming fees by getting an affordable international sim card for traveling. When traveling overseas, it’s critical to have a ...

"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 ...

If you've ever called your carrier's customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android SIM card or iPhone SIM, then you've likely needed your ICCID number. The ...

If your Samsung Galaxy S24, S24 Plus, or S24 Ultra is not recognizing your SIM card, it can be a frustrating issue, but there are several troubleshooting steps you can take to resolve the problem.

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...