https://community.nxp.com/t5/Secure-Authentication/Mifare-classic-cards-facility-codes/m-p/1235351#M469 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/183788">@Jdor</a>&nbsp;,</P> <P>&nbsp;</P> <P>We are just IC supplier, not card maker, so for card issues , please contact the card manufacturer directly. For documentation regarding Mifare Classic IC itself ,you may refer to&nbsp;<A href="https://www.nxp.com/products/rfid-nfc/mifare-hf/mifare-classic/mifare-classic-ev1-1k-4k:MF1S50YYX_V1" target="_blank">https://www.nxp.com/products/rfid-nfc/mifare-hf/mifare-classic/mifare-classic-ev1-1k-4k:MF1S50YYX_V1</A>&nbsp;for details.</P> <P>&nbsp;</P> <P>Have a great day,<BR />Kan</P> <P><BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!<BR />- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P> <P>&nbsp;</P> <P>&nbsp;</P> Wed, 24 Feb 2021 03:18:22 GMT Kan_Li 2021-02-24T03:18:22Z https://community.nxp.com/t5/Secure-Authentication/Mifare-classic-cards-facility-codes/m-p/1235127#M468 <P>I got a biometric mifare classic card and need the facility code</P> Tue, 23 Feb 2021 17:29:37 GMT https://community.nxp.com/t5/Secure-Authentication/Mifare-classic-cards-facility-codes/m-p/1235127#M468 Jdor 2021-02-23T17:29:37Z https://community.nxp.com/t5/Secure-Authentication/Mifare-classic-cards-facility-codes/m-p/1235351#M469 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/183788">@Jdor</a>&nbsp;,</P> <P>&nbsp;</P> <P>We are just IC supplier, not card maker, so for card issues , please contact the card manufacturer directly. For documentation regarding Mifare Classic IC itself ,you may refer to&nbsp;<A href="https://www.nxp.com/products/rfid-nfc/mifare-hf/mifare-classic/mifare-classic-ev1-1k-4k:MF1S50YYX_V1" target="_blank">https://www.nxp.com/products/rfid-nfc/mifare-hf/mifare-classic/mifare-classic-ev1-1k-4k:MF1S50YYX_V1</A>&nbsp;for details.</P> <P>&nbsp;</P> <P>Have a great day,<BR />Kan</P> <P><BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!<BR />- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P> <P>&nbsp;</P> <P>&nbsp;</P> Wed, 24 Feb 2021 03:18:22 GMT https://community.nxp.com/t5/Secure-Authentication/Mifare-classic-cards-facility-codes/m-p/1235351#M469 Kan_Li 2021-02-24T03:18:22Z