GSM unlocked cell phones use the Global System for Mobile ... but you honestly couldn’t ask for much more in a budget phone. What we like: Works with both GSM and CDMA. Decent 12MP rear camera ...

It’s super easy to jump from one to another when you own an unlocked phone, especially if you're looking to shave your monthly cost with any of the best cheap ... GSM carriers like AT&T and T ...

MetroPCS unveiled its Bring Your Own Phone program, which lets you use your unlocked GSM phone. I’m PCMag ... and before that I covered mobile, smart home, and wearable technology for PCMag ...

This is an international device NO WARRANTY - Factory Unlocked This phone is compatible only with T-Mobile Mint - Tello - Metro in USA Market and any GSM provider in Latin America ...

Here in the US for example, AT&T and T-Mobile are GSM networks while Sprint and Verizon use CDMA. A universal phone can be used on any of those networks. For years, unlocked phones were almost ...

Now Verizon, the only wireless carrier that sold its phones unlocked out of ... different technologies GSM and CDMA. Sprint and Verizon use CDMA, while AT&T and T-Mobile along with most of the ...