In the US, AT&T as well as T-Mobile phones use GSM – and most of the rest of the world uses GSM as well. CDMA in the US is Verizon, Sprint and US Cellular. You need to read up on the subject.
Read moreWhat US GSM phone?
The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile devices such as mobile phones and tablets.
Read moreDoes the US use CDMA or GSM?
Of the two, GSM is more widely used around the globe, with availability in more than 200 countries. While CDMA is used widely in the U.S. , it is less common elsewhere — most estimates pin the portion of global wireless networks using CDMA at less than 20 percent. The Verizon network is a CDMA wireless network.
Read moreIs Verizon CDMA going away?
3G CDMA Network Retirement As Verizon continues to build for the future, we would like to keep you up to date with some important activities. We are actively decommissioning our 3G CDMA network and expect to be completed by no later than December 31, 2022 .
Read moreDoes Verizon use CDMA 2021?
After years of delays, Verizon says it will finally shut down its 3G CDMA network at the end of 2022 — and the company means it this time. Verizon initially targeted 2021 for the shutdown and later revised with a more ambitious goal of 2019.30 Mar 2021
Read moreIs Verizon a GSM or CDMA carrier?
In the US, Verizon, US Cellular, and the old Sprint network (now owned by T-Mobile) used CDMA . AT&T and T-Mobile used GSM. Most of the rest of the world used GSM. The global spread of GSM came about because in 1987, Europe mandated the technology by law, and because GSM comes from an industry consortium.
Read moreIs Verizon CDMA now?
We will turn off the last of the 3G CDMA network on December 31, 2022 , months after our competitors have shut off their networks completely.30 Mar 2021
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