(1) By installing NFC on your mobile phone? TagInfo, turn on the NFC function. In the tech of TagInfo interface, stick the access card on the NFC sensor behind the mobile phone, and we can see the ID of the access card and record it, as shown in the following figure:

The first step to replace the access card of mobile phone

(2) Open RE Manager, enter the etc folder directory under the root directory of the mobile phone, and find "libnfc-nxp.conf". It is recommended to make a backup when modifying files. This tester is on line 82 of the file, near the end due to the default NFC? The ID is 0 1, 02, 03, 04, which we need to change.

The second step of replacing the mobile phone access card

(3) Modify and change the ID "13, 67, A9, 0A" and save it after completion. Of course, RE manager will also automatically generate a backup of the source file, our NFC? This is the end of ID modification.

The third step of replacing the mobile phone access card

Can you finally pass the revised NFC? The ID phone directly brushes the corresponding access control, and the current test can basically succeed in front of the contactless card reader or terminal.