I've been hunting for a way to install back older versions of DJI go for my Phantom 3. Finally figured it out, and decided to share as a how-to for the community. It basically involves downloading one app and forcing iTunes to download an older version.
Detailed Google Doc instructions: How to rollback DJI Go iOS App Versions
I haven't tried this on Mac, but it works just great on Win10
Detailed Google Doc instructions: How to rollback DJI Go iOS App Versions
I haven't tried this on Mac, but it works just great on Win10