Nokia BH-104A hard reset

To repair and reset your Nokia BH-104A:

Clear settings or reset

To delete the pairings from the headset when it is switched off, press and hold the power key and the answer/end key (for about 5
seconds) until the red and green indicator lights start to alternate.

To reset the headset if it stops functioning, even though it is charged, connect the headset to a charger while you press and hold the power key.