Installing Custom Firmware on a Yealink Phone Follow

Overview

After downloading the custom firmware during the provisioning process, follow these steps to install it on your Yealink phone.

Prerequisites

Obtaining the Phone's IP Address

  1. Press the Menu button on your phone.

    If you have a Yealink T48S, tap Menu on the touchscreen.
  2. Navigate to the Status page and take note of the IPv4 address.

Installing the Firmware Using the Phone's Web Interface

  1. Open a web browser on a computer that's connected to the same network as the phone.
  2. Enter the phone's IP address to access the its web interface.
  3. Log in to the web interface by entering the administrator credentials.
    Note: The default admin username and password is admin/admin. If you do not know your username/password, contact the vendor of the phone.
  4. Click the Settings tab and click Upgrade in the left-side panel.
  5. Click Browse, find the directory of the custom firmware file, then double-click to select it.
  6. Click Upload to start the firmware upgrade process. The phone will reboot and install the custom firmware. The process will take 2-3 minutes.
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