My RC Pro is 03.02.0900. Maybe try clearing cache first and do the update through Profile rather than Camera View in FlyApp. Make sure the controller is fully charged. If this won't help, I'd reset the RC Pro and start from scratch.
Ok, back to my question. Do you by any chance might know why this actually is the case? Could that have something to do with the use of the dual gain to enhance dynamic range when shooting in D-Log M as discussed in the M4P forum? Maybe this...
What makes it even worse is that they sent me the same answer 4 times telling me over and over again that in Auto ISO mode the camera is setting the ISO value and not the operator and therefore I can not set it to 1600. I keep telling them that...