---
title: "Check Firmware Version on Yealink T4x Series"
slug: "check-firmware-version-on-yealink-t4x-series"
updated: 2026-05-17T17:30:39Z
published: 2026-05-21T21:27:17Z
canonical: "help.8x8.com/check-firmware-version-on-yealink-t4x-series"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Check Firmware Version on Yealink T4x Series

## Objective

Checking the current firmware version on your Yeahlink T4X Series phone.

## Applies To

- Yealink T4X Phones
- Firmware

## Procedure

You can see which firmware version is currently recommended in the article, [What is the recommended firmware for 8x8 phones and analog adapters?](/support/docs/what-is-the-recommended-firmware-for-8x8-phones-and-analog-adapters) **Due to high risk of possible firmware update failure, we do not have direct file download available.** *8x8 is not responsible for any issues or problems it may cause for devices purchased elsewhere. These are tested for use on Yealink devices purchased directly from 8x8.*

- Check the firmware on the phone by pressing **OK**.
- Another way to check the version is via the web GUI by obtaining the IP address from the phone or the Client list table from your router.
  - Log in to the phone's IP address (default user/password: admin/admin).
  - Navigate to **Status** > **Status** > **Firmware Version**. ![Firmware.PNG](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/9295?sv=2026-02-06&spr=https&st=2026-11-03T22%3A40%3A57Z&se=2026-11-03T23%3A40%3A57Z&sr=c&sp=r&sig=tamIcpxUNuOHKJsa6vAoH4hvBJkXst1bKgt%2FTKpYZPE%3D)

### Update to Recommended Firmware Version

If the device is not on the same firmware, either on newer or older; flash it to the recommended version.

1. Go to **Settings** > **Upgrade** > **Select and Upgrade Firmware**.
2. Click **Choose File** choose the firmware file saved previously, and press **Upgrade**.
3. The phone will reboot and update it's firmware, once done proceed to the next step.