The MOST common causes are:
Cause 1: AS20L did not enter PAIRING MODE.
Solution: Ensure the AS20L is in PAIRING MODE – LED will flash BLUE and RED alternately.
Cause 2: For Smart phone, tablet and PCs, it may not detect AS20L occasionally.
- Turn the Bluetooth off and then on again.
- Delete “Avantree AS20L” from your device Bluetooth list and then try to pair / connect again.
Cause 3: AS20L may can’t pair with device for some reasons occasionally.
Solution: Clear the headphones pairing history and pair / connect again.