Despite the phone's affordability and mainstream appeal, U.S. carriers are not offering the Galaxy Z Flip7 FE at launch, Sam ...

I'm considering getting an S23 or S24 from Swappa, and I want it to be unlocked. There are many available that were originally from a carrier like Mint Mobile, but they are now unlocked. After a ...

For U.S. cell phone customers, AT&T and T – Mobile are GSM carriers, while Verizon, Sprint, and US Cellular are CDMA, taking into account updates in carrier policies and plans to close off networks.

TextNow's video chat lets you message anyone — even people using a different carrier. That feature arrives as the low-cost carrier moves from Sprint's network to a new provider.

From the Google Pixel 5 to Samsung Galaxy and more, these are the best unlocked phones that give you total freedom from wireless contracts.

U.S. wireless carriers began to repurpose older 2G and 3G CDMA and GSM networks — the two global networks that all carriers use to convert data from phones into radio waves — in 2019, starting ...

During the past year, Postcon has expanded its passive RFID mail-tracking system, with active cellular and Wi-Fi-based Kizy trackers from Spectos to view the movements of sample letters in real time ...

This is an unlocked dual-SIM handset that can work with all the major GSM carriers in the world. It also comes with LTE support for selected networks, including U.S. carriers.

You can easily set up call forwarding on an iPhone with these steps. Here's how to forward calls on an iPhone, no matter what phone carrier you use.

Moving your number from one wireless service to another is (usually) the easiest step. Bringing your old phone to a new network can be trickier. Learn what to watch for.

if you're tempted to buy a 2G phone on Amazon, or bring one home to use on AT&T or T-Mobile GSM networks—don't. They won't work, even if the carriers say they will. Here's why.