After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

Click to viewJust four days after its launch, the iPhone 3G has been unlocked for the first time exactly like the original iPhone: using a special card that piggybacks to your SIM card, fooling the ...

When Apple launches a new product, especially an iPhone or iPad, it's not uncommon for the company to have trouble meeting demand in the early weeks or months of availability. This is especially true ...

Click to viewAccording to the usual suspects, now you can 100%-unlock the iPhone using a Turbo SIM card, without depending on the version of your current carrier card. Testers say it will give you ...

Apple today released an unlocked GSM version of the iPhone 5s on its online store for the United States. This version of the iPhone 5s includes the same exact capabilities of the non-unlocked models, ...

If you're still debating which carrier to get your iPhone 4 this morning, here is some clarification on Sprint's policy on the micro-SIM card included with the world phone, which may be just the ...

Yesterday we told you about a service that will unlock your iPhone 4 by altering its IMEI number. While that sounds good, at $180 it's pretty expensive and there's no guarantee Apple won't be able to ...

In the past when traveling overseas I've always used a service like iPhoneTrip or XComGlobal, but I've been told many times that it's a lot cheaper just to purchase the SIM card locally after you've ...

The new SIM-free phones can be activated at the carrier of your choice, starting at $649 for the 16GB iPhone 6. Lance Whitney is a freelance technology writer and trainer and a former IT professional.

Earlier today we heard that both Sprint and Verizon will offer an unlocked micro SIM in the iPhone 4S, which would allow you to use your iPhone 4S abroad with a GSM SIM card. Now it would appear that ...