I came across the same issue as well. Problem solved.
After inserting a flimsy plastic piece (anything with certain thickness), it is back in business.
It seems this is a problem about the sensitivity of the sensor.
I first used a screw driver to create a tiny gap in between, and it worked.
Stupid thing. ^^
Check out this picture by opening the link below.
>>>https://www.flickr.com/photos/101229715@N05/49993152063/in/dateposted-public/<<<
West Adam got a reaction from Robertopo in X-T100 view mode won't switch back from EVF