The SIM cards that fit into those tiny slots in your cell phone and tell your cellular network to whom your calls are to be charged come in four different sizes. With the only real difference between ...

The iPhone 5 will likely use a new smaller Nano SIM instead of the traditional Micro SIM card. The past iPhones, you just have been able to cut a SIM card to fit a Micro SIM card slot, but it looks ...

Find out how to trim your own micro-SIM card for use in phones that require this new format. Sharon Profis Former Vice President of Content, CNET Studios As vice president of CNET Studios, Sharon led ...

All modern iPhones and iPads now use nano-SIM cards. Unfortunately, this can be a bit of a problem for anyone switching from an older device, because the nano-SIM is much smaller than the micro-SIMs ...

Got a SIM you need shaved down and you don’t trust your shaky hands to cut it? Brando has you covered. For only $25, you can now buy a sort of cutter that does the dirty deed for you. Brando Matt is 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 ...

With a lot of smartphones shifting from a standard SIM to the Micro and Nano versions, there is always a need for the customer to return to their telecom operator for a new sim. Old customers who are ...