Is my carrier GSM or CDMA?

In the About (iOS) or Status (Android) page, scroll down and check for a MEID, ESN, or IMEI number. If your phone has a MEID or ESN number, it uses CDMA, and if it has IMEI, it uses GSM . If you see both, that means your phone supports both GSM and CDMA networks.

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What carriers support GSM unlocked?

All unlocked phones work on carriers that use GSM networks. Popular U.S. carriers that use GSM networks include AT&T, T-Mobile, Cricket, MetroPCS, Simple Mobile and Tracfone . Most foreign carriers also use GSM networks. You will need to use a SIM card from a GSM provider to get service for your unlocked phone.

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Is CDMA a 4G?

CDMA is a set of protocols used in 2G and 2G mobile communication networks . LTE is a protocol used in 4G broadband technology and has high-speed data access. CDMA uses Spread-Spectrum Multiple Access, SSMA for transmission.

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Is 5G the same with LTE?

5G vs LTE. The main difference between 5G and LTE is that 5G is the technology that came after 4G LTE to increase the speed . 5G has a radio frequency of 30 to 300 GHz, whereas LTE, which is based on 4G technology, has a radio frequency of up to 6 GHz.

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