While an unlocked cell phone can work on any mobile carrier's network, unlocking a phone does not switch it between radio communication technologies like GSM or CDMA. For example, you can't unlock ...

While the best unlocked phones almost certainly support GSM carriers like AT&T and T-Mobile, it’s best to look for devices that work with all the major U.S. providers, including Verizon.

Since then, they've had limited success with that. They have scored a deal to distribute unlocked GSM phones through Sears, and are working on a deal with Best Buy, which is embarking on a major ...

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 ...

This unlocked GSM version of the Conquest is a waterproof Android phone with a 5-inch HD display, 5-megapixel camera, and 4G LTE. Other features include a front camera, memory card slot ...

It has a removable battery, 32 gigs of storage, a microSD card slot and one of the better cameras on the market. This is an unlocked GSM phone that Microsoft sells direct and it has two SIM card slots ...

Compatibility: This is a single SIM device is designed to work with GSM carriers ... battery life and knock-proof durability, this is a phone you can rely on. Bit of downtime?