Old Version Main PCB parts , please check the sample picture description. Only can be used to replace the old version (x8xx and under ) Main PCB parts. 

If your original main PCB is newer version ( x9xx and above ) , it won't work.

If your camera is bought before 2021 May, it has old version PCB.

Canon 6D mark II main PCB, programmed, ready to use on any 6D2 body.

Can be used as main PCB direct replacement. 

*** Custom Declaration: If you have the concern, please message before or right after the purchase.