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2154386_en-US
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I'm using TagWriter to configure an SDM image, but the CMAC offset is incorrect no matter how I set it. I'm also using it according to the documentation, but it's still incorrect. Could you please explain this to me?
Hello, I would like to ask why when I use tag info to check the card information, the first time I swipe the card, it shows NXP, but after I change the data, it shows suspected pirated. And sometimes when I swipe other cards, they show NXP, and sometimes they show pirated.
Hello @umi2025
Could you please describe what is the procedure you have followed? Please, refer to TagWriter User Manual; Chapter 4 describes the procedure for enabling and configuring the Mirroring features by using this app.
Additionally, I will recommend using RFIDDiscover, which is a tool for testing and configuring the tags and cards based on our devices. It is also recommended using PEGODA Contactless Smart Card Reader | NXP Semiconductors together with this tool. Something important to remark is that RFID Discover is secured under NDA and must be requested from the Secure Resources.
Regards,
Eduardo.