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

Singtel has begun issuing SIM cards that are compatible with 5G standalone networks, which the telco currently is rolling out in Singapore. Its next-generation mobile network has been deployed for ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

TOKYO--(BUSINESS WIRE)--NTT DOCOMO, INC. announced today its Japan Welcome SIM TM series will introduce Plan 0 (read “plan zero”) to allow overseas visitors in Japan to access the Internet for free ...

Need an Internet connection on the go? Unfortunately, there aren’t a whole lot of inexpensive ways to do this. Carrying a mobile network around with you is a costly investment, but it’s also one that ...

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

Have you ever wondered why the latest Google Pixel device doesn't have physical SIM slots anymore? Here's why Android phones are taking the eSIM-only route.

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 ...