Will normal GSM SIM card works on wcdma phone?

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lenovo
Mobile
SIM card
I' m from India and using Lenovo p770 dual SIM and I want to buy Xiaomi mi3, which is a Wcdma phone. Will my current normal GSM SIM work on this phone? And currently I'm accessing both 2g and 3g network on this Lenovo p770. Will I have to change my SIM or will this phone work in India?

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Yes, fter the first generation network, carriers either chose GSM or CDMA standard for their 2G network. Both network are not compatible to each other. However, a WCDMA phone will be compatible with GSM network if it has a sim slot and has a GSM antenna.

GSM carrier frequencies are 900, 1800, 1900, and 2100 mHz. That is why iPhones are only capable with 2G network on T-Mobile’s network.

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