---
title: "E20 Firmware"
slug: "e20-firmware"
updated: 2026-07-01T02:12:16Z
published: 2026-07-01T02:12:16Z
canonical: "knowledge.akuvox.com/e20-firmware"
---

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

# E20 Firmware

[E20 Release Firmware (Click to download)](https://maintenance.akuvox.com/firmware/release/stable?model_name=E20) **Version:** 120.1.1.40

**E20 Beta Firmware** **Version:** 120.1.1.40

Note

- It is recommended to use Release and LTS version firmware.

---

## Release Notes

### Version: 120.1.1.40 (Release)

**Release Date:** April 1, 2026 **Supported SmartPlus Version:** V6.6

#### New Feature

- Support the new languages on the web portal: Simplified Chinese, Italian.

---

### Version: 120.1.1.38 (Beta)

**Release Date:** January 27, 2026 **Supported SmartPlus Version:** V6.6

#### New Feature

- Added Privacy Policy pop-up for device and web portal.

---

### Version: 120.1.1.37 (Beta)

**Release Date:** September 22, 2025 **Supported SmartPlus Version:** V6.6

#### New Features

1. Required password change at first login.
2. Support “calling” status when using API to get device call status.

---

### Version: 120.1.1.33 (Beta)

**Release Date:** June 23, 2025 **Supported SmartPlus Version:** V6.6

#### Fixed Bug

- Fixed a known issue.

---

### Version: 120.1.1.32 (Beta)

**Release Date:** March 28, 2025 **Supported SmartPlus Version:** V6.6

#### New Feature

- Updated daylight saving time.