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 ...

Contrary to initial reports, Sprint will not sell an unlocked micro-SIM version of Apple's iPhone 4S, forcing users to pay roaming fees when traveling abroad. Earlier reports that Sprint users would ...

Now that Apple sells unlocked iPhone 4s to U.S. customers, budget- or carrier-conscious buyers may wonder whether they can buy an iPhone 4 and use it with T-Mobile. Although T-Mobile has its own 3G ...

Well this is a very cool development for those who have purchased, or are planning on purchasing, the Verizon version of the new LTE iPad. It turns out that the micro-SIM slot on the device will ...

T-Mobile USA has started selling for the first time Micro SIM cards via its website. The cards, which are basically just smaller SIM cards, are currently used by popular smart phones, including ...

UPDATE: A Sprint representative tells Ars Technica that it will not offer the iPhone 4S with an unlocked micro-SIM card slot, despite earlier reports that it would. Instead, customers must use ...

Pay-as-you-go cell phone provider Straight Talk employs SIM cards, allowing you to use your own unlocked GSM or CDMA phone on the network or purchase one of the phones that the company offers directly ...

If you own an iPhone 4 on AT&T, using the device while traveling internationally means paying sky-high roaming fees, jailbreaking or limiting data use to when you're on a WiFi network, either with a ...

While a software-based unlock (allowing use on unauthorized carriers) for the iPhone 3G has yet to materialize, one recognized vendor says it plans to ship a hardware-based SIM unlock for the device ...

iDownloadBlog has confirmed that the Verizon iPhone 5 being sold on contract does arrive unlocked for use on GSM networks, allowing users with a nano-SIM or a trimmed micro-SIM from a GSM carrier such ...

In another step toward the mainstream for jailbreaking, T-Mobile has just announced that it will offer free micro sim cards to network subscribers using unlocked iPhone 4s. The latest iPhone cannot ...