Hello, i can't format my desfair ev1 card, after authentication in app 00 (root) i send format command and recive next answer: f2 01 after which I can not use the card. How right format the card? I trying send cmd.Format + MAC(4 byte) + CRC16, and recive error 0x7E.
Hope you are doing well. Unfortunately DESFIRE information is under NDA and the information can't be shared in a public way. Sorry for the inconvenience this might cause you