Has anyone else noticecd the NFZs have changed on the app. Mine now only have the red NFZ the yellow areas have gone. Or maybe the P3P has to be connected for the yellow areas to show.

anyone?? Beuller....Beuller

there is an airport down in the map so it should be in red zone (NFZ).

Used to have yellow zone too. Not any more

I've never seen any yellow zones in the map (Vic, Melbourne) area.  Just the two red circles for the major airports.  Only the airport boundaries are highlighted, the NFZ extends 5.5km out in every direction of course.

Out of curiosity, I extended the map view to your example in WA, I have a blank map with nothing highlighted.  Same around Sydney.   Perhaps you have to physically be in the vicinity for the warnings to appear?

My app works well and I'd suggest you to connect your app to network service, then try to zoom in and move the map to refresh. You can also leave me your location (GPS location would be better which could be find in compass APP in IOS ) if you have any questions.