Yealink T54 reset to factory

Step 1

Press and hold the “OK” button for 5-10 seconds

Step 2

You’ll see a confirmation message on the phone’s screen stating “Reset to factory setting?“.

Press OK

Step 3

Depending on the firmware being used by your phone, you may be prompted to enter a username and password.
The default values are below:

  • username: admin
  • password: admin