Since years a warning popup comes up when opening the messages up (turn off flightmode to send messages). In Beta 1-4 Apple decreased rate and the popup came only ONCE. Now in Beta 5 the annoying popup is back and popups after turning the device on and off. Dear Apple: iMessage can be greatly used in WiFi only mode. So please, please remove this popup. I have to close this popup many times per day. Yes I now: Deactivating the flightmode is a solution. But: Why turn on cellular when I doesn't need it.