Will Huawei's mobile phone Nfc create a blank card to empty the physical card data?

For cards 1 and M 1, once the key of each sector of the card is known and the control word of any sector is allowed to be written, it can be recovered.

2.MPRO card, that is, CPU card, knows the master key of MF (root directory), MF is allowed to be erased, so MF can be emptied, but MF itself is still there.

3.MPRO card is in engineering mode, so you can empty the whole card and remove MF with special tools.

The 0-channel contactless IC card has a micro memory, which is divided into 16 sectors, and each sector can be encrypted independently. Generally, all sectors are encrypted or some sectors are encrypted. If the accessed sector is encrypted, it is almost impossible to empty the internal data unless you know the sector password of the IC card!

Nine times out of ten, the current community access card is encrypted. The copying process implies that the encryption door key function is a decoration. Xiaomi's nfc blank card function has been out for more than a year. Huawei can follow the neighbor's Xiaomi mobile phone because it has a blank card function and can write data in the property. We Huawei also need to bring an entrance guard all day. Obviously, Huawei and Xiaomi chose two paths. Xiaomi chose the white card, and Huawei chose to cooperate with the property, each with its own advantages and disadvantages. Xiaomi's white card has great limitations. What can you do with the property if it doesn't cooperate? I took a blank card to Vanke to write data. This is a success. The people next door use millet. He can use it. I can't tell the landlord with facts. Blank card is the function provided by Huawei wallet to replace physical access card with mobile phone. You can create a blank card in your mobile phone and then take it to the property or the corresponding authorized unit to write the card. After writing the card successfully, you can use your mobile phone instead of the physical access card.

You mean the blank card was created successfully, but the attribute card writing failed?