Samsung Galaxy S7 does not have NFC! The most common NFC tags - MIFARE Classic 1K - are not supported. I would not have bought this phone if I knew in advance. About this fact you can dig up only in the wilds of forums. Before buying, I already made a compromise, refusing the FM radio that I had in HTC ONE and all NFC tags and troika and paper tickets were read in it. For the sake of justice in S7 paper are read. But this suggests that perhaps Samsung saved on the controller in its "FLAGSHIP" In general, this is a separate big question for Samsung. In a phone for 45-50 thousand, the controller must support the most common NFC tags.
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