> ## Documentation Index
> Fetch the complete documentation index at: https://docs.voxo.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Factory reset a desk phone

> Factory reset a VOXO desk phone. The gesture differs by brand — Yealink uses a hold-OK reset, while Polycom 400-series phones use keypad sequences.

The factory reset gesture depends on the brand of phone. Use the section for your phone — the gestures are not interchangeable.

<Warning>
  The Yealink hold-**OK** gesture does **not** reset a Polycom phone, and the Polycom keypad sequences do **not** reset a Yealink. Make sure you are following the steps for your brand.
</Warning>

## Yealink

<Steps>
  <Step title="Hold OK">
    Hold down the **OK** button for several seconds.
  </Step>

  <Step title="Confirm the reset">
    A confirmation screen asks for permission to factory reset. Press the **OK** soft key to reset.
  </Step>
</Steps>

The phone reboots and resets.

## Polycom 400 series

These steps cover the Polycom VVX 400, 410, and 415. Use them when you do not know the admin password.

<Steps>
  <Step title="Hold 0 1 3 during a power cycle">
    Power cycle the phone, then simultaneously press and hold the **0**, **1**, and **3** dial-pad keys until you hear a confirmation tone (or for about three seconds).
  </Step>

  <Step title="Cancel the boot">
    Press the **Cancel** soft key during the boot process.
  </Step>

  <Step title="Hold 1 3 5 during the countdown">
    During the countdown, simultaneously press and hold the **1**, **3**, and **5** dial-pad keys until the password prompt appears.
  </Step>

  <Step title="Enter the MAC ID">
    Enter the **MAC ID** of the phone, then press **OK**. The MAC ID is on a label on the underside of the phone.
  </Step>
</Steps>

The phone power cycles and comes back factory reset.

<Note>
  Your MAC ID is available on request, or in your VOXO Portal if you have access.
</Note>

A factory reset clears the phone's registration. If the phone won't reconnect afterward, see [Troubleshooting](/omnia/troubleshooting#a-desk-phone-wont-register).