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Yealink releases firmware updates to add features and fix bugs. You can apply an update from the phone’s built-in web interface, which you reach through the phone’s IP address on your network.

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Before you begin

  • Download the latest firmware for your model from the Yealink support site and unzip it to a local folder.
  • Make sure your computer is on the same network as the phone.

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Apply the update

1

Find the phone's IP address

Press the OK button on the phone’s keypad to display its IPv4 address.
2

Open the web interface

In a web browser, enter the phone’s IP address in the address bar and press Enter.
3

Sign in

Enter the username and password. Both are admin by default.
4

Choose the firmware file

Go to Settings > Upgrade, click Browse, and select the firmware file you downloaded.
5

Start the upgrade

Click Upgrade, then confirm to continue. The update takes about 5 minutes.
Do not unplug or power cycle the phone while the firmware is upgrading. Interrupting the update can leave the phone unusable.