The phone's internal storage can hold 64GB of data. It supports memory cards of the microSD type.
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Samsung Galaxy A03S 4G LTE (NOT 5G) 6.5" HD+ Triple Camera 5000mAh Battery, Dual Sim GSM Unlocked Global 4G Volte (NOT VERIZON/Boost) International Model A037M/DS (Red, 64GB + 4GB)