A. 1. Keep devices close: Ensure that your watch and smartphone are within a reasonable distance to maintain a stable connection. 2. Restart Bluetooth: Turn off Bluetooth on your smartphone and turn it back on to refresh the connection. 3. Re-pair the devices: Forget the watch in your Bluetooth settings and re-pair it to establish a new connection.

B. 4. Update the app: Ensure that both the app and the watch firmware are updated to the latest versions.