MODEL NUMBER : SM-A405FN/DS ( Dual SIM,64GB ROM 4GB RAM). 2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only). SIM Dual SIM (Nano-SIM, dual stand-by). Internal 64GB 4GB RAM, 128GB 4GB RAM.
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