Resetting Yealink W56H to Factory

  1. Press OK button or use the menu button.
  2. Use the directional arrows to select the settings icon.
  3. Select System Settings.
  4. Select Base Reset and press OK
  5. Enter your device PIN (0000) and press done.
  6. Select Reset to factory, then choose Yes to confirm
  7. Wait 5 minutes for the reset process to complete.