The phone support Dual sim card and it is unlocked, you can use whichever carrier you want. GSM / CDMA / HSPA / LTE / 5G. GSM 850 / 900 / 1800 / 1900. 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM. (optional add-on zoom lens: f/2.3, 200mm, 2.35x optical zoom, Zeiss optics).
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