T-Mobile offers Micro SIM cards for iPhones

Carrier has made it easier for AT&T iPhone 4 users to bring over their device to its wireless network. The offer comes at the same time AT&T is attempting to acquire T-Mobile.

T-Mobile USA began selling a Micro SIM card today, necessary for people who want to bring their iPhones or iPads over to its network.

T-Mobile's Micro SIM card. T-Mobile USA

It's an awkward offer as T-Mobile is openly encouraging iPhone customers--of the AT&T variety, and not Verizon Wireless--to switch carriers. At the same time, AT&T is attempting to acquire T-Mobile in a deal that would create the nation's largest wireless provider.

T-Mobile lists the Micro SIM card on its Web site, and is selling it for $9.99 or giving it away with a two-year contract. Next to the photo, T-Mobile asks, "Already have a GSM phone or iPhone that you need to activate--or have an unlocked GSM phone you want to use on the T-Mobile network? Just get a Micro SIM card and choose a plan."

The Micro SIM cards are currently used by only the iPhone 4 and iPad tablets.

While AT&T and T-Mobile use the same wireless technology, GSM, the companies use different frequencies for 3G, so a person using an AT&T iPhone could only get 2G service on T-Mobile.

Still, 9to5Mac reported last month that T-Mobile has more than 1 million iPhones operating on its network in the U.S. The site said a majority were models before the iPhone 4, which use a standard SIM card, but said that some customers had taken to cutting their own Micro SIM card.

The possibility of a T-Mobile iPhone has been bandied about, but the company hasn't commented on the prospects. AT&T said that T-Mobile customers would eventually get access to the iPhone if the merger is approved.

About the author

Roger Cheng is the executive editor in charge of breaking news for CNET News. Prior to this, he was on the telecommunications beat and wrote for Dow Jones Newswires and The Wall Street Journal for nearly a decade. He's a devoted Trojan alum and Los Angeles Lakers fan.

 

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