In this guide we’ll show you how to SIM unlock the Galaxy S9 so you can use it on different carrier networks. That way if you bought the Galaxy S9+ from AT&T, you can still take it to T-Mobile if you ...

This guide explains how to SIM unlock the Galaxy Note 8 for use on another carrier. There are a few different ways to unlock a phone, and a few reasons many choose to unlock their device. Whether that ...

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 ...

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, ...

Unlocked, SIM-free iPhone 6 and iPhone 6 Plus models are finally on sale! Photo: Cult of Mac Photo: Jim Merithew/Cult of Mac Want to buy an iPhone 6 or iPhone 6 Plus without a SIM card, or locked to a ...

Smartphone users often face the ignominy of being restricted with a network locked device, wherein accessibility is limited to a specific carrier. Although in most cases the concerned network ...

Google's Android developer team on Friday announced the Android Dev Phone 1, the first Android-based device unlocked to allow the use of any SIM card or software. Android is a full mobile stack, from ...

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.

Lance Whitney is a freelance technology writer and trainer and a former IT professional. He's written for Time, CNET, PCMag, and several other publications. He's the author of two tech books--one on ...