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.

AT&T, T-Mobile and any other GSM carrier in the U.S. will allow the fully unlocked version to be used. Only the CDMA carriers are blocking access.

Mini BlackBerry With EDGE Coming to GSM Carriers Article Comments 11 May 3, 2006, 4:13 PM by (staff) The FCC yesterday approved two new GSM BlackBerrys. The existing 7130e will soon be joined by ...

News Analysis: T-Mobile may be the fourth-largest national carrier, but there are other GSM carriers out there including national carriers that offer GSM-capable phones.

This GSM scanning receiver provides crucial capabilities for both carriers and service providers. Using it, vendors can test and optimize their wireless networks. The receiver also improves ...

Unfortunately, GSM carriers have been slow to adopt this new 128-bit encryption standard but Nohl's disclosure may be the kick in the butt these lazy carriers need to beef up their security.

Below, we've highlighted what each of the major carriers offers for “unlimited” individual and family plans to help you figure out which unlimited plan is best for you, and your budget.

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.

Now that all leading US carriers use GSM, it’s easier for unlocked phones to be compatible with any carrier, but there is another factor to look after.

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 ...

Want to break your smartphone out of carrier jail? Here's a guide on how to unlock your phone so you can change carriers or use it while traveling abroad.

"Real American Wireless For Real Americans". The Trump Organization, run by US President Donald Trump's sons Donald Jr. and Eric while he's in office, ...