What are bands in smartphone?

GSM and CDMA are frequency bands that support cellular service . While these letter jumbles may be unfamiliar, they can have a significant effect on phone carrier choice and can also affect phone type. With next-level networks being built, your current device might limit you depending on its model.

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Is 4G LTE GSM or CDMA?

4G LTE is neither CDMA nor GSM but a separate cellular technology that provides the 4G migration path to 3G networks on CDMA and GSM tracks. CDMA2000 is the 3G technology on the CDMA track, and UMTS is the 3G technology on the GSM track. Both UMTS and CDMA2000 use the LTE technology for 4G services.

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Does quad band mean 4G?

Refers to a mobile phone that supports the four major GSM frequency bands (850/900/1800/1900 MHz) , making it compatible with all the major GSM networks in the world. The 850/1900 MHz bands are mainly used in the US, while the 900/1800 MHz ones are available in most other countries worldwide.

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