Most people manage perfectly well with a single SIM card, but some people like to have separation between their work and home life (or maybe they run several different businesses), or they travel a ...

Adam Z. Lein has been a tech journalist at Pocketnow since 2002. He's also been a photographer since 1995 and a web developer & graphic designer since 1997 while working on the DEC intranet. He's also ...

Can you use an iPhone without a SIM card? Yes, you can. But the tricky part is activating and setting up the phone in the first place. If you’d like your child to be able to use a spare phone without ...

One of the promoted specifications on the new Apple iPhone 4S is the "world phone" capability, but it isn't quite the world phone that many international travelers who use GSM phones are used too.

If you use a smartphone for work and you don't have access to a dual-SIM handset, this usually means carrying two phones around. A new device aims to provide a simple alternative: Piece is an adapter ...