What is a "Cdma Gsm Cell Phone"? The Most Authoritative Explanation.

Which phones work on both GSM and CDMA networks?

However, there are some older phones that will work across both GSM and CDMA networks. The most common older phones that work on both technologies include the iPhone 6 series and Samsung Galaxy S6 series. If you want to check out what other phones work on which technology, you can use our phone compatibility tool below.

What is the difference between CDMA and GSM?

CDMA (Code Division Multiple Access) and GSM (Global System for Mobiles) are shorthand for two older radio systems (also known as 2G and 3G) used in cell phones. We first published this article in 2012 and kept it updated it throughout the 2010s, when it was important to know the differences between these two technologies.

Does sprint use GSM or CDMA?

Sprint sells CDMA phones, while AT&T and T-Mobile sell GSM phones. Verizon uses CDMA technology in its networks, but usually sells phones that are equipped with both technologies. If you bought your device “factory unlocked” or directly from the manufacturer, then it is likely equipped with both technologies. Check your phone’s settings

Do CDMA phones use SIM cards?

CDMA phones that use SIM cards do so either because the LTE standard requires it or because the phone has a SIM slot to accept foreign GSM networks. Those carriers, however, still use CDMA technology to store subscriber information. Most CDMA networks do not allow voice and data transmissions at the same time.