The description is based on SONY Xperia xz2 phone. Depending on the model name and the Android OS version, the setting name and the screen may vary.
1. Battery Power-saving Exception Setting.
You must activate the Power-saving exception for the GeoFamily app, if your Android OS version is Marshmallow (ver 6.x) or later.
2. Auto-sync Setting.
Activate 'Automatically sync data'.
3. Notifications Settings.
Phone Settings > Apps & Notifications > Select the GeoFamily app on the apps list.
Always enable the 'Show notifications' and 'Service Status'.
4. System Settings.
Activate 'Mobile data'.
Leave 'Data saver' and 'STAMINA' disabled.
Activate other settings if necessary.
(1) If you want to see your own location when viewing the map screen, activate 'Location'.
(2) If you want to save money for data communication, activate 'Wi-Fi'.
5. Always keep the Google Play Store up to date with the latest version of app.
Find the 'GeoFamily' app in the Google Play store and activate the 'Enable auto update' setting.
★ Click here for the information on how to set up your counterpart Tracker user's device.