Yealink – Reset Telephone to Factory Defaults

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Resetting a Yealink phone to factory default restores the device to its original out-of-the-box settings. This process removes all user-specific configurations, including:

  • SIP account registrations

  • Network settings (static IP, VLAN, etc.)

  • Custom ring tones and preferences

  • Provisioning server details

  • Administrator passwords

Steps

  1. On the phone, press and hold the OK button for about 15 seconds.
    Note: For T57 Series, hold the Redial button for 15 seconds.

  2. The display will change to Factory Reset ?
  3. Select the Yes softkey
  4. Select the OK softkey
  5. The telephone will reboot.

If you are setup for auto-provisioning your phone will reconfigure itself.

If you do not have auto-provisioning you can now access the phone with default username and password.

 

 

 

 

Last Updated on February 26, 2026