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 ...

An unlocked phone is the key to getting service from an alternative carrier. Here's how to check if a phone is unlocked.

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, ...

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.

Nano-SIM cards will arrive at the carrier in mid October, allowing owners of unlocked iPhone 5s to jump to its network, says a report. Edward Moyer Former Senior Editor Ed is a many-year veteran of ...

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 ...

If you're in the market for an unlocked iPhone 5 and need to fit your existing SIM card in it, you can actually cut your current SIM card down to nano size at home. Most people won't need to do this, ...

Add Yahoo as a preferred source to see more of our stories on Google. Here’s why the iPhone is better than Android Big news for anyone hoping to buy a full unlocked SIM-free iPhone 6 or iPhone 6 Plus: ...