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How to Factory Reset a Yealink Phone without the Admin Password

If you ever find yourself locked out of a Yealink phone, and do not know the admin password, you can quickly reset the phone to Factory Default Settings.

Simply press and hold the 'OK' key on the face of the phone for 10 seconds.  This will prompt you to accept or decline a factory reset.  If you accept, the unit iwll restore itself to factory default settings - without the need the admin password.

The entire process takes roughly 30 seconds. 

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  1. Steve Stoveld

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  1. Christian Berrios Perez


    estoy en la misma situacion, lograste encontrar la solucion? 

  2. Moshe Spiegel

    One of my  Yealink sip T28P is prompting me to add an admin password when doing a factory reset. I have no idea what that is. Can someone please help me?