Description: You would like to factory reset a Yealink device to re-provision it.
Step 1: Unplug the cable from the phone to remove power.
Step 2: Plug the power adapter and/or ethernet cable back in so the phone starts to power up.
Step 3: Hold down the OK or REDIAL (if Android phone) or Mute Indicator button until the message Reset to factory settings? appears.
Step 4: Press OK or Yes, depending on your model.
Step 5: The handset should now reboot, and will be factory reset once it has completed it's bootup cycle.
For the instructions on how to provision your Yealink, please click see our KB article: How do I auto-provision a Yealink Desk phone?