Thanks for the info. Did as told and I do not get a green 3B, tried reconnecting the keyboard toh a couple of times. No change.

Did not touch the keyboard cable near the camera holes yet, atleast the cable seems to go there but obviously I do not know whether it is properly there. A bit too tiny parts for my eyes at this time of the evening

@Dirkvl: What do you think would be the next action here? Check something (please describe what) or send it back for checking?