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 ...

Thanks to a small plastic adapter, iPhone owners can take their micro-SIM card and use it with another cell phone. Kent was a senior managing editor at CNET News. A veteran of CNET since 2003, he ...

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 ...