Just so you know, the password takes the format of 4 hexadecimal bytes, for example the default password for your NExT is: 444E4752, which in ASCII is “DNGR”
You could set it to “00000000”
The product pages for the implants calls it:
the webbing between the metacarpal bones of the index finger and thumb
But usually on the forum it’s just referred to as “P0”