Hi @diehauke, I’ve moved your post to the relevant discussion of over-sensitive touch screens on the FP2. I’ve moved it based on the content of the topic you originally posted to, but from your description I’m not sure whether you’re experiencing the same thing.
It could also be this:
Or, if the problem you mention occurs during charging, then this is more relevant, as it discusses the screen becoming unresponsive to touch during charging: