---
title: "EC33 Firmware"
slug: "ec33-firmware"
updated: 2026-06-26T06:21:10Z
published: 2026-06-26T06:21:10Z
canonical: "knowledge.akuvox.com/ec33-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.

# EC33 Firmware

[EC33 Release Firmware (Click to download)](https://maintenance.akuvox.com/firmware/release/stable?model_name=EC33){target=`_blank`}
**Version:** 33.30.1.18
[EC33 Beta Firmware (Click to download)](https://maintenance.akuvox.com/firmware/release/beta?model_name=EC33){target=`_blank`}
**Version:** 33.30.1.108
:::(Info) (Note)
* It is recommended to use Release and LTS version firmware.
:::
* * *
## Release Notes
### Version: 33.30.1.108 (Beta)
**Release Date:** June 23, 2026
**Supported SmartPlus Version:** V7.4

#### Optimization
* Improved the user experience.

***
### Version: 33.30.1.107 (Beta)
**Release Date:** April 3, 2026
**Supported SmartPlus Version:** V7.4

#### New Features
1. Support being added and configured on the cloud.
2. Improved unlock failed logs with clearer reasons, such as parking, holiday, or schedule limits, missing permission, expired plates or users, door interlock, and failed two-factor authentication.

***
### Version: 33.30.1.105 (Beta)
**Release Date:** March 30, 2026
**Supported SmartPlus Version:** V7.4

#### New Features
1. Support integrating with the OSDP device.
2. Support triggering the7extension module via API.

***
### Version: 33.30.1.103 (Beta)
**Release Date:** March 20, 2026
**Supported SmartPlus Version:** V7.4

#### New Features
1. Support adding devices, unlocking remotely, and syncing floor schedules for SmartPlus and Smart Access projects.
2. Support displaying detailed logs of failed unlock on the cloud.

***
### Version: 33.30.1.18 (Release)
**Release Date:** December 8, 2025
**Supported SmartPlus Version:** V7.0 

#### New Features
1. Support long-pressing SW2 for 3 seconds to trigger all relays on or off. The default action is all on, and a subsequent long press switches all off.
2. Support integrating with the third-party Mailbox.

***
### Version: 33.30.1.15 (Beta)
**Release Date:** September 19, 2025
**Supported SmartPlus Version:** V7.0 

#### New Feature
* Changed device triggering through App to activate the corresponding floor Relay.

* * *
### Version: 33.30.1.13 (Beta)
**Release Date:** March 3, 2025
**Supported SmartPlus Version:** V7.0 

#### Fixed Bug
* Fixed a known bug.

* * *
### Version: 33.30.1.11 (Beta)
**Release Date:** January 7, 2025
**Supported SmartPlus Version:** V7.0 

#### New Feature
* Support setting floor starts from -10.