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...
The flight controller does NOT search for anything. Who is telling you these things?
Most DJI owners are aware of serialization of parts, Have you just found this out? your explanation is not how it works.
The Drones Main board has a number, At...
Yes I do Why do you ask?
Replacing a part on MOST DJI Drones does indeed require that the part be serialized. its not a big secret and I am sure the OP is aware of that.
Replacing the sensor will require more than just a calibration in some...