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Update/Restore using Type-C
Flashing over Type-C 🎥 Video Walkthrough Introduction Before you begin, we highly recommend watching the video walkthrough — it shows the entire flashing process from start to finish in real time. In the video, you’ll see exactly what happens on screen and o...
Update/Restore using SD-Card
👉 Download the firmware ZIP from your usual link (latest): SD-CARD RESTORE FIRMWARE: latest os_v0.3.11 (previous: os_v0.3.10 | os_v0.3.7). You’ll need: A microSD card (8–64 GB is ideal) + microSD–to–SD adapter if your PC needs it A Windows PC ...
SMHUB OS - Update & Restore Methods
Your SMHUB can be updated or restored in three different ways: OTA (recommended) – simple updates directly from the Web Interface Type-C Cable – full recovery if the device doesn’t boot via computer SD-Card – full recovery if the device doesn’t ...
MQTT API
Zigbee Hub mode has the ability to connect to local or remote MQTT brokers. Currently only TCP connections are supported.This document describes MQTT API for SLZB-OS 3.0.9 or higher Topics are divided into IN and OUT.IN - you can send messages to these topi...
Run Thread networks
The following guide explains how to enable Thread networking on your SMLIGHT SMHUB device.This process involves updating the operating system, flashing Thread firmware to the radio module, and installing the OpenThread Border Router (OTBR) app. ⚠️ Note: Thi...
Embedded Linux Platform Engineer – IoT / Smart Hub
The company is developing its own Linux-based platform for smart hubs and IoT devices SMHUB-OS - an example of device running that platform is here:Â https://smlight.tech/global/smhub.The system combines an embedded Linux core, backend services, and a web inter...
ESPHome Engineer – Advanced Configuration & Device Integration
SMLIGHT develops cutting-edge smart home and IoT hardware, including Zigbee, Matter, and multi-radio hubs, smart LED controllers, and modular Wi-Fi devices.Our devices run platforms such as ESPHome, Linux-based SMHUB-OS, SLZB-OS and custom firmware, ensuring f...
Changelog SLZB-OS
🚀 SLZB-OS v3.2.4 - Release Notes The latest version of SLZB-OS (v3.2.4) brings improvements to MQTT integration, internal scripting (automations), Zigbee diagnostics, and overall system stability. ✨ New Features & Enhancements ✅ Added MQTT module suppor...
Connecting Zigbee2MQTT on SMHUB to Home Assistant
This guide explains how to connect any SMHUB Series device to Home Assistant using Zigbee2MQTT. Requirements Any SMHUB model (Essential, Premium, Nano, etc.) Home Assistant running in your network Minimum SMHUB firmware: smhub-os ≥ 0.3.7...
Using SMHUB as Thread Border Router for Matter devices
This guide explains how to run an OpenThread Border Router (OTBR) on SMHUB and connect it to Home Assistant for Matter-over-Thread devices. Requirements Hardware Any SMHUB model (Essential, Premium, Nano, etc.) Firmware & apps (tested on) sm...
Tailscale set-up
Tailscale on SMHUB (Quick Setup Guide) Applies to all SMHUB models: Professional, Essential, Nano Mg24 Tested with: SMHUB-OS v0.3.10 smhub-services v0.2.7 smhub-web v0.2.23 Tailscale app v1.78.1-2 1. Install Tailscale Open App...
Install addons on SLZB-Ultima
Microphone addon Z-Wave, POE, 4G/LTE
Opening the case
How to open device Prepare a flat, thin tool. This can be a small screwdriver. Insert the tool from above, between the Type-C port and the case. Carefully pull the top cover forward using the tool, leaning against the Type-C Carefully pull off the top an...
ESPHome firmware for Ultima and xU Series
SLZB ESPHome Firmware Flashing Guide for SLZB-Ultima, MRxU and 06xU Open SLZB-ESPHome repository: https://github.com/smlight-tech/slzb-esphome Download the firmware file that matches your device: SLZB-Ultima → ultima-r1-04xx SLZB-MRxU serie...
SLZB-OS API endpoints
General information The SLZB-OS operating system has several API channels: HTTP, SSE and MQTT. When using any of these channels, it is not recommended to send more than one request per second.A large number of requests per second can slow down the coordinato...
Change IEEE address on SMHUB radio
EFR32 IEEE Address change Minimum firmware requirements for this change: smhub-os: 0.3.11 (prod) or 0.9.3 (dev) smhub-services: 0.2.8-1 smhub-web: 0.2.24-1 Stop all applications using the EFR32 SoC, including internal apps on SMHUB (e.g. Zigbee2MQT...
Thread setup
Addon setup Flash the Thread firmware. Please follow this manual for device update instructions https://smlight.tech/support/manuals/books/slzb-07pxmgx/page/device-update Install the OTBR addon into your Home Assistant OS (HAOS) If your HA is installed in...
USB to Ethernet passthrough mode
General information This feature is supported only by "U" series devices and SLZB-Ultima(CPU model: ESP32S3) USB to Ethernet passthrough mode allows connecting a USB device to your coordinator USB port (directly or via a USB hub) and using such USB devices r...
Thread setup (network and USB connection)
Prerequisites A server with Home Assistant installed and running. In this manual, we are using Raspberry Pi 4 with clean fresh install of HAOS. An SLZB-06 or MR families Coordinator flashed with OpenThread Border Router firmware. In this manual, we use SML...
Wire Guard VPN setup
WHAT IS VPN WIREGUARD This is a feature of SLZB-OS that allow them to connect to remote Home Assistant / Zigbee2MQTT server through secure VPN tunnel without any additional hardware. WireGuard is an extremely simple yet fast and modern VPN that utilizes sta...