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.

US Mobile is now a super carrier, with support for all three networks. But how does this work and can you switch easily?

This feature-packed flagship GSM phone from Sony Ericsson ... and SyncML. This phone is not currently available from any major U.S. carrier. It is compatible with some U.S. networks, and may ...

Cheap phone plans now also have many of the features traditional plans offer, including an unlimited option, and they often run on a larger carrier's network. There are dozens of phone plan ...

A feature-packed new slide-style GSM phone with a 1.3 megapixel ... 262,000-color display. This phone is not currently available from any major U.S. carrier. It is compatible with some U.S ...

More than three-quarters of Americans live in homes without landlines. But if you still have one, you may be old enough to ...

Traveling can be an exciting adventure, but high roaming charges and unreliable carrier services can often turn it into a ...

Deciding between major and secondary cellphone service providers can be difficult. Here's how to find the right type for you.

US Mobile has announced that Apple iPhones running on its Verizon-based network now have RCS support. But what about its ...

It’s a platform-neutral standard adopted by the GSM Association to ... codes to be sent to your phone. The situation is a bit more nebulous for MVNO carriers that piggyback off those major ...

Whether you're looking for an Android smartphone, an iPhone, or a simple feature phone, these are our top picks for a variety of budgets across the major US wireless carriers. I’m one of PCMag ...