====== Yealink Handsets ======
===== Upgrading the Firmware =====

This guide explains how to upgrade the firmware for the following Yealink handsets:
  * Yealink T20P
  * Yealink T22P
  * Yealink T26P
  * Yealink T28P

Visit the [[http://www.yealink.com/index.php/Support/|Yealink support page]] and scroll down to Firmware.

Download the relevant firmware for your phone model to your desktop.


Open the downloaded archive file and extract the containing .rom file. You may need [[http://rarlabs.com/download.htm|WinRAR]] to open the file.

In your web browser, type in the IP address of your handset. 

//To find out the IP address, press **Menu** then **1. Status** and **1. IP ** is the IP address.//

The **username** and** password** is both **admin**

Go to the **Upgrade** tab.

{{:surevoip-yealink-click-upgrade.png?400x400|}}

Under **Select and Upgrade Firmware** click **Browse**.

{{:surevoip-yealink-click-browse.png?400x400|}}

Locate the extracted .rom file, ie **2.60.0.100.rom**

Click OK, then click **Upgrade**.

{{:surevoip-yealink-click-upgrade-go.png?400x400|}}

Follow any remaining on-screen instructions. Where it says do not power off, do not interfere at all, or you may cause your phone to become non-functional. Please be patient, it may take up to 15 minutes to complete the process.