Troubleshooting

Upload failed

An upload failure means the track didn't make it from the device to the cloud. The Android app will retry automatically, but here's how to diagnose and fix persistent failures.

Poor GPS data

GPS quality affects how accurate and useful the debrief replay is. Here's what causes common GPS problems and how to improve them.

Coach and sailors not connecting

If sailors aren't appearing on the coach's Coaching screen, or the coach isn't appearing for sailors on the waiting screen, use these steps to diagnose the problem.

Track not appearing

You expect a track to be in the library but can't find it. Work through the checks below.

Android permissions

Dinghy Coach needs a small set of Android permissions to function. Here's what each permission is for and how to grant it if you previously denied it.

Android aggressively manages battery by suspending or killing apps that it thinks aren't being used. This can stop Dinghy Coach from recording mid-session. Configuring battery optimisation correctly is the single most important setup step for reliable on-

Wi-Fi / hotspot setup

The coaching features (remote start/stop, live speed display, push-to-talk) require all devices to be on the same local Wi-Fi network. A mobile hotspot is the most practical way to create this network on the water.