Nokia BH-907 hard reset
To repair and reset your Nokia BH-907 :
Clear settings or reset
1 Switch the headset on, then put the headset to your ear.
2 Press and hold the menu key, then follow the voice prompts.
After restoring the factory settings, you need to pair the headset with your phones and
other devices again.
If asked for a passcode on your phone, type in 0000. Nokia BH907 passcode pairing code.