You didn't say what type of mobile device you are using, but the P3A downloads page lists the Apple app (click here) as well as the Android app (click here) for the P3A.Phantom 3 advanced needs an app but the DJI app has gone.
If you downloaded and installed the correct app, then your issue is not with the app.iOS platform, downloaded but only gives me Inspire models, not P3A
We use essential cookies to make this site work, and optional cookies to enhance your experience.