Changing Key in MiFARE Classic card

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vikky

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Hi all,

Can anyone please tell me how to change key in Mifare 4K classic card.
What i tried was

<newKeyA>+ access bits + <KeyB>
0xAA 0xAA 0xAA 0xAA 0xAA 0xAA 0X78 0x77 0x88 0x69 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF
But the password refuse to change.The default configuration is 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF.

Kindly advice.

Regards

Vikky
 

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