All you have to do is install the part and find a service on the web to serialize the part for you. Its done everyday! People that repair DJI Drones don't exclusively use DJI. Why? They would have to send the Drone to them. A service will do it...
DJI has restrictions on their hardware
The flight controller searches the serial of the modules that were originally installed.
When you replace a module the flight controller won't recognize the internal hardware serial and all the replacing of...