I have a third party unlocked GSM phone.<BR>I want to use it with a pre-paid plan.<BR>I'm considering Virgin Mobile as my option,<BR>since their rates are good and I can easily<BR>buy top-off cards.

The Subscriber Identity Module, or SIM, used with GSM iPhones does not affect network reception; however, if you're unable to connect to the network to send or ...

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.

Forbes contributors publish independent expert analyses and insights. I am an investigative attorney and physical security specialist. If you ask most cell phone users what they understand the term ...

Wireless carriers sell you “postpaid” contract phones at a considerable discount. The carrier expects to recoup its outlay — the full price of the equipment — over the life of the contract that you ...

You know that dual-SIM handset you picked up last year to make those frequent jaunts between Belgium and Luxembourg so much easier? Might as well throw The Netherlands in there to complete the Benelux ...

Today's cellphone market is highly focused on smartphones. Android and iPhone have a stranglehold on the market, but does that mean there isn't room for something different? Micro-Phone certainly ...

Since the iPad 2’s launch on March 2nd many have wondered whether or not the 3G GSM model would be unlocked and many have also wondered where the SIM card slot is. Due to the iPad 2’s very thin design ...

STOCKHOLM, Sweden--(BUSINESS WIRE)--Feb. 23, 2004--Ericsson (NASDAQ:EROICY) and TeliaSonera are employing Ericsson's standards based SIM card log on solution for WLAN in international roaming trials ...