how to switch from SL1 to SL3 for Mifare plus x card on CLRC663 chip?

[xiongqinghua]

how to switch from SL1 to SL3 for Mifare plus x card on CLRC663 chip?

[estephania_mart]

Hello, 

As you might know,  there are some of the documents and libraries which are under NDA (Non-Disclosure Agreement) and placed in DocStore, could you please follow this guides? 

Docstore tutorial part 1: User Registration|NXP 

Docstore tutorial part 2: portal usage|NXP 

Also, you will need to contact one of our distributors available in the  Distributor Network|NXP to help you through the NDA process. 

Regards, 

Estephania 

[xiongqinghua]

which command can i use ?first auth(0x70）？following auth(0x76）？  how can i use these commands?

now my mifare plus x card is SL1 status!!!