Nokia BH-216 hard reset
To repair and reset your Nokia BH-216 :
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 6 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. The reset does not clear the pairing settings.