Model Number : H3223 --- Single SIM, 32GB ROM. Model Number : H4233 --- Dual SIM, 64GB ROM. 3G bands HSDPA 850 / 900 / 1900 / 2100 - H3213, H4213, H4233. 1, 2, 4, 5, 7, 8, 12, 13, 17, 25, 28, 29, 66 - H3223.
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