Thank you for your help.  I have updated the app and just tried to use the phone on mobile data and it seems to be working so far.  Thank you very much for fixing it as it was becoming very annoying.  Thank you cheers Ingrid

I have an iPhone 15 pro max and have contacted Apple and Telstra and both of them have trouble shoot various things.  Eventually I worked out that it is Trend not letting mobile data be used with the VPN on.  If I go out I have to turn it off so that I can use mobile data... isn't this counter intuitive because it is then when you are out that you want it to be on?? I see there are lots of people with the same issue.. so yes it needs to be fixed urgently.  Telstra & Apple said they are getting numerous calls with this same issue.  Puts me off renewing my subscription so please provide an update soon..