---
title: "S562-2 Firmware"
slug: "s562-2-firmware"
updated: 2026-09-30T09:55:53Z
published: 2026-09-30T09:55:53Z
canonical: "knowledge.akuvox.com/s562-2-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.

# S562-2 Firmware

[S562-2 Release Firmware (Click to download)](https://maintenance.akuvox.com/firmware/release/stable?model_name=S562-2)

**Version:** 5622.30.15.223

[S562-2 Beta Firmware (Click to download)](https://maintenance.akuvox.com/firmware/release/beta?model_name=S562-2)

**Version:** 5622.30.15.231

---

## Release Notes

### Version: 5622.30.15.231 (Beta)

**Release Date:** September 15, 2026 **Supported SmartPlus Version:** V7.5.1

#### New Feature

- Support for updated AJAX API authentication, which now requires a verification code to log in when integrating with the AJAX security system.

---

### Version: 5622.30.15.223 (Release)

**Release Date:** August 13, 2026 **Supported SmartPlus Version:** V7.5

#### New Feature

- Support Hebrew on the device portal.

---

### Version: 5622.30.15.201 (Beta)

**Release Date:** June 5, 2026 **Supported SmartPlus Version:** V7.4

#### New Feature

- Support integration with AJAX.

#### Optimization

- Optimized the user experience of AJAX integration.
- Improved the translation of Russian and Vietnamese.

---

### Version: 5622.30.15.110 (Beta)

**Release Date:** May 15, 2026 **Supported SmartPlus Version:** V7.4

#### Fixed Bug

- Fixed an issue where temperature values did not update when switching from Celsius to Fahrenheit.

---

### Version: 5622.30.15.109 (Beta)

**Release Date:** March 5, 2026 **Supported SmartPlus Version:** V7.3.5

#### **New Feature**

- Support the following languages on both the device and web interface: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, Russian, Turkish, Vietnamese, Spanish, Polish, French, Bosnian, Swedish, Portuguese, German, Italian, Arabic, and Dutch.
- Support the following languages on the device interface: Ukrainian, Czech, Norwegian, Slovenian, and Lithuanian.

---

### Version: 5622.30.15.20 (Beta)

**Release Date:** January 19, 2026 **Supported SmartPlus Version:** V7.3.3

#### **New Feature**

- Changed the default mode to non–low power mode.

#### Optimization

- Improved the user experience.