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 ...

T-Mobile is now offering a micro-SIM card for customers wanting to use unlocked iPhone 4 handsets on its network. This move shows that T-Mobile is not only embracing unlocked iPhone 4 users, but may ...

The decision to use an unusually small SIM card in the iPad means current iPhone customers can't just use their iPhone's SIM in an iPad, as we reported last week. It appears increasingly likely that ...

If you are one of the many impatient Apple fans from outside the US who have imported a 3G iPad, you will no doubt be more than familar with the lack of micro-SIM cards available on the global market.

In order to use the iPhone 4 on T-Mobile you have to jailbreak it, unlock it and then annoyingly cut your fatty SIM into a Micro SIM. Annoying! T-Mobile is making it a little easier by giving Micro ...

Alright, well played, AT&T: you've sort of managed to undo Apple's unfortunate move of eschewing nearly two decades' worth of deeply-entrenched SIM card standards in favor of a new one that literally ...

So you’ve chosen Ultra Mobile as your carrier. Great choice! But before you start enjoying those international calling features or high-speed data, you need to install your SIM card. Don’t worry; ...

Perhaps feeling outdone by the Samsung Galaxy S II, Apple is now pushing for a new SIM card standard that would allow them to make thinner iPhones. Apple currently uses a micro-SIM in their iPhone 4 ...

While most people seem to manage just fine with a single SIM card in their smartphone, some -- especially travelers, who can save money by fitting a local SIM card into their handset -- love the ...

One of the new bits of iPad viscera announced by Steve Jobs, besides the A4 chip, is that it’s using a micro-SIM card for its 3G powers. What, pray tell, is a micro-SIM card? It’s the next generation ...

Molex Incorporated has expanded its micro-SIM card socket portfolio for mobile device manufacturers. Designed for smart phones, tablet PCs, GPS watches and other space-constrained applications, ...