We may earn a commission for purchases using our links. Learn more. Using a standard SIM card in your GSM (and some CDMA) BlackBerry is pretty easy to grasp at this point. Most come pre-installed if ...

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 ...

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 ...

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 ...

Ever get a new phone and have a completely different sized SIM card that needs to fit inside versus the one you already own? Sometimes network operators are nice enough to just give you a new sized ...

I know it might seem like a strange request, but the current carriers have been giving out terrible quality SIM card adapters. They fall apart after a couple of insertion/removal cycles. And due to ...

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Posts from this topic will be added to your daily email digest and your homepage feed. The Verge has obtained detailed information on the so-called “nano-SIM” proposals from Apple, Nokia, and RIM. The ...

As noted by The Verge, the European Telecommunications Institute (ETSI) today announced it has adopted a standardized design for the next-generation "nano-SIM". The new design is 40% smaller than the ...