Are you planning on traveling out to Asia? Maybe for work or personal reasons? Either way, you want to make sure that you stay connected to friends and family while you’re abroad; however, roaming ...

SIM cards, or Subscriber Identity Modules are required to identify every GSM phone, regardless of the system. They also contain account, data and payment parameters to tell the selected carrier the ...

Years before Steve Jobs showed off the first iPhone, the BlackBerry was already the must-have accessory for mobile professionals. Back then, nobody was worried about watching movies or playing the ...

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 ...

In this Ask Maggie, CNET's Marguerite Reardon advises a reader looking to use a SIM card from a tablet to get data-only wireless service on his smartphone. Marguerite Reardon Former senior reporter ...