probably 2 screws at most or some glue/snaps, then put a jtag brush over the contacts, do some sort of unit test and you have a unit. Could take a few hours wit

probably 2 screws at most or some glue/snaps, then put a jtag brush over the contacts, do some sort of unit test and you have a unit. Could take a few hours with a motorized screwdriver and a simple specialized CLI program for programming/testing