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S10/S12 Troubleshooting: Humming sound in the headset


I hear a humming sound in the headset of the S10 or S12.



  • Adjust the compatibility slide switch until the sound is clear.
  • Try other switch settings (It will not harm the headset or your phone).
  • Try installing the headset on another phone in another location, if the hum is still present you may need to replace the unit.