Android not connecting on 4g

I have the strange problem that I cannot connect to my HASS UI using my phone’s 4g mobile connection. When on WiFi (external) everything works fine.
Any idea why?

App version 1.4.0 (77)

1 Like

App is set to use wifi only in Android OS?

Long Press App in app tray and look at “info”

No, I cannot see any restriction set to WiFi only.

what phone/android version

Android 8.0.0

Me too!!! I access only wi-fi(internal and external).