Enable sync only when charging, connected to WiFi, at certain interval or just manually. ** Settings below will require a foreground service (a little sync icon in notification bar) for them to work properly: • Sync only when device is charging • Sync only when Wi-Fi is connected • Sync only when Device is charging AND Wi-Fi is connected Sometimes the sync icon no longer shown in the notification bar. This means the foreground service has stopped and it can be fixed by saving the setting again