Download xcode.
- Download the project (or clone) from this branch https://github.com/Caffa/Clarity/tree/iOSTestFlightPrep
- Go to the xcode project - launch by double clicking (where you cloned it to/Clarity/clarity/ios/Runner.xcodeproj)
- Connect your iPhone to your computer. Make sure iPhone is unlocked.
- Run (aka Build) the project by pressing the play button in xcode.
- On your phone, go to Settings > General > Device Management and just trust the development team
- The app should install itself on your phone.