Making the NExT read only (with a password)

[Pilgrimsmaster]

I believe there are 2 commonly known passwords
DNGR and in your case NExT

Have you tried both?

There might be something in here @DonFire posted for the xSIID that could help

XSIID - password protecting the data inside your xSIID chip?

Ok, so here are the NFC Shell commands to prevent writing pages 04 onwards (user memory) without the password, keeping the default password of DNGR converted to hex using ascii codes: 1B444E4752 A2E300000004 If you want to change the password too, here’s the short way: 1B444E4752 A2E300000004 A2E5XXXXXXXX An explanation: First is the PWD_AUTH command (1B), using the DT set default password of DNGR (44 4E 47 52). This allows us to now write to any protected memory, which if I recall correctl…