A. 1. Restart Bluetooth: Turn off Bluetooth on your device, wait a few seconds, and then turn it back on. 2. Forget and re-pair the device: Go to Bluetooth settings, find your FlagFit device, select 'Forget', and then re-pair it. 3. Restart your phone: A simple restart can often resolve connectivity issues.

B. 4. Check for interference: Ensure there are no other Bluetooth devices nearby that may be causing interference.