A72 mobile has dual sim. Sim 2 slot has an SD card but is greyed out in the sim manager. I believe it is insert correctly, with contact face down and clicked in to position. Should this not be greyed out?
Sorry, but you have reached the community for US products, and the A72 isn't a US product you would need to contact the community for your location for help https://www.samsung.com/us/common/visitlocationsite/
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