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 ...

使用微信扫码将网页分享到微信 位于德国慕尼黑的 G&D 公司曾经制造出了世界上第一张 SIM 卡，这是 20 年前的事儿，后来这个金属小卡片被运用在数十亿台手机和网络终端里。而在上周，他们发布了一个新闻：第一张 Nano SIM 卡问世了。 按照各方的说法，Nano SIM ...

You’ve just bought yourself an iPhone – welcome to the club! However, while you thought you’d just be able to pop your existing SIM card into your iPhone, you might be wrong. That’s dependant on not ...

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 ...

Conflict is brewing in the mobile world over the adoption of a new, smaller standard for the SIM card — the chip in each GSM phone that dictates which network you connect to and your cellphone number.

With the launch of the Nexus 4, I have finally had to start looking around at what I’m going to do in regards to my SIM card as the Nexus 4 takes a microSIM. A microSIM is a essentially a cut down ...

AT&T has been stamping out new SIM cards supporting all the current form factors, including micro-SIM. BGR has the best photo I’ve seen, courtesy of the crassamatic soundwave9. I am baffled, however, ...