Internal 64GB 3GB RAM, 128GB 3GB RAM, 256GB 3GB RAM. 4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 29, 30, 34, 38, 39, 40, 41, 42, 46, 48, 66, 71. GPU Apple GPU (4-core graphics).
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