Use APKPure App
Get Speed for Amazfit old version APK for Android
Cette application enregistre vos pistes et vous pouvez les télécharger sur Google Fit ou Strava.
This App records your Tracks and you can upload to Google Fit or Strava.
The main difference between this one and the serial App is that in this one the numbers are bigger.
You must install an apk on your watch. Read the App Help