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How to distinguish between D21 and D22

Question asked by on Apr 18, 2018
Latest reply on May 10, 2018 by 梁

As the title。I get two type of smartcard named MF3ICD2101DUD/05 (D21) and MF3D2201DUD (D22),when I use the NFC reader to communicate with them,how can I distinguish witch one is the D21 and witch one is D22 ? can I read any used data from the NFC tags ? Thanks