1. Check whether your device has a stable and strong Wifi connection.
2. Make sure that Bluetooth and Wifi are enabled on your smartwatch.
3. Check if your watch is running the latest software version.
4. Restart your watch and your router to both allow the connections to be refreshed.
5. Make sure your watch has access to mobile connection, depending on your device.
6. Reset the network settings on your watch.
7. Check if there are any available update for your smartwatch.