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.

Here are the best unlocked phone deals at Amazon ahead of the official October Prime Day. We'll be refreshing the list ...

With the Luddite revival in full-swing, here are five dumbphones that can still run WhatsApp — and a few others.

【4G LTE network】This senior 4G basic cell phone is compatible with T-Mobile(Prepaid Plan), MetroPCS, Tello Mobile, Ultra Mobile, SpeedTalk, Simple Mobile, Mint Mobile, Red Pocket ...

Generally speaking, you'll find cell phone deals coming in two forms - first as an outright sale on an unlocked device, and secondly as part of a carrier-plan tie-in. The latter can be a bit ...

if you're thinking about bringing over a device that works on AT&T or T-Mobile (GSM networks), it may not be compatible. Most unlocked phones in 2022, however, do in fact support both GSM and CDMA ...

Do note that only GSM carriers, such as AT&T and T-Mobile, are fully-equipped to take on an internationally-sold, GSM-unlocked phone; Verizon and Sprint are more locked down, and likely won't sync ...

Most Android phones these days come with a locked bootloaderâ the program that boots up the operating systemâ so users canâ t replace the stock OS or gain root access by default. The bootloader has to ...

GSM didn’t just improve call quality; it paved the way for text messaging and eventually brought the internet to mobile phones. It also used encryption by default, meaning that you could finally ...

The Galaxy Z Fold 6 is Samsung's best folding phone yet. It's thinner and lighter than previous iterations, has a more durable design, and comes with genuinely useful Galaxy AI features. Both ...

With an unlocked device ... Best Buy Mobile, and manufacturers' online stores (Google, OnePlus, Samsung) are all good bets. Sometimes, you can even unlock the phone you already have, though ...