I have never tried to do an update with the gimbals motors disconnected, but I would imagine that it would not work. The main gimbal board would probably detect that the motors are not responsive and the update would fail. Maybe
@quaddamage will see this thread and respond with his findings.
Also, it is a good idea when updating a P3A and P3P, to aim a fan at the gimbal to keep it cool, during the update.
I have a good P3A gimbal board on hand, it already has the latest firmware installed and has the yaw motor too.If you are interested, PM me.
