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If SmartThings cannot add your Matter device, first check that the device is in pairing mode and that your SmartThings home has a compatible Matter controller. For Thread devices, that controller also needs access to a Thread border router. Then retry using the device’s QR code—or enter its setup code manually—and check the controller, network, and signal if pairing still fails.
What you need before pairing
Matter onboarding involves the device, the phone running SmartThings, and a Matter controller. SmartThings describes the phone as the commissioner that facilitates onboarding; the controller is responsible for controlling the device afterward. Make sure a supported controller is already added to your SmartThings home.
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SmartThings’ compatibility article lists Android with SmartThings app version 1.7.91 or later, or iOS 16.2 or later with app version 1.6.94 or later, for using the app as commissioner. It lists firmware 45.9 or later for the Samsung Matter controllers it covers. These are the requirements stated in that support article; check the current requirements for your model and region at SmartThings’ Matter compatibility guidance, since requirements can change.
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#1 Best Overall
- [Multi-Protocol Hub with Matter Bridge] The M3 is a versatile hub supporting Aqara Zigbee and Thread devices. It integrates third-party devices into the Aqara Home app. Supports advanced Matter bridge functionality, enabling Aqara-exclusive scenes and signals to sync with Matter ecosystems such as Home Assistant for seamless integration. Supports up to 127 Aqara Zigbee devices （** Not third-party Zigbee devices) and 127 Thread devices (Repeaters are needed).
- [Edge Compatibilities and Local Automations] The M3 serves as an Edge Hub, prioritizing local control and automation. Upon integration, it supersedes existing Aqara hubs, shifting the automations among them to local operation (Some cloud-based notifications still require internet). Upgrade-friendly, it supports migrating Zigbee devices from older Aqara hubs.
- [Smart IR Blaster with Feedback and Learning] The 360°IR blaster not only sends commands but also provides accurate status updates by detecting traditional remote use. It connects IR air conditioning units to Matter, functioning as an AC thermostat when paired with an Aqara Temperature and Humidity Sensor. (Note: Only one AC device can be exposed to Matter. Functionality may vary based on the Matter integration app. For Apple Home exposure, use Matter integration instead of HomeKit.)
- [Optimal Wired and Wireless Connectivity] Offering both wired and wireless solutions, the smart home hub M3 provides dual-band Wi-Fi (2.4/5 GHz) with advanced WPA3 security, and a Power over Ethernet (PoE) port. The addition of a USB-C port allows for mini-UPS and power bank connections, delivering unparalleled stability. (2A USB power adapter is not included. ) . Note: To ensure a stable connection, place the Hub M3 between 6 to 19 feet from the router.
- [Privacy-Focused with Encrypted Storage, Easy Setup and Versatile Placement] The M3 prioritizes privacy by excluding microphone or camera components. It boasts 8GB end-to-end encrypted local storage, for device lists, configuration parameters, and automation configuration data. Additionally, it includes a mount and screws for flexible placement on flat surfaces, walls, or ceilings. Magic Pair technology ensures effortless detection by the Aqara Home app upon power-up.
Add the Matter device in SmartThings
- Open the SmartThings app and tap Add (+) > Add Device. App labels can change between versions.
- Tap Scan and scan the Matter QR code on the device or its packaging. If the camera cannot read it, choose Enter under the setup-code option and type the code printed with the QR code. SmartThings says the code is 11 or 21 digits.
- Select the hub and room when prompted.
- Wait for the connection to complete. If asked to choose a network, select Wi-Fi or Thread as appropriate for the device.
- If you are pairing a Thread device with a SmartThings 2015 Hub, select the existing Thread border router and enter its Thread network key. The hub and border router should be on the same Wi-Fi/LAN. Find the key on the border router or in its manufacturer’s app; do not guess it.
- When the device connects, rename it if you like and save.
Keep the setup code private: it is used to onboard the device, so there is no reason to share a photo of it publicly.
If SmartThings cannot find or onboard the device
1. Confirm the controller and Thread support
Check that the controller is online and selectable in SmartThings. For a Thread device, verify that the controller has Thread border-router capability, either built in or through a compatible border router already on your network. A Wi-Fi/LAN Matter controller without Thread routing is not sufficient for Thread onboarding.
Rank #2
- Multi-Protocol Smart Hub with Matter Bridge – The M100 is a versatile smart hub compatible with Thread devices and Aqara Zigbee (** Not third-party Zigbee devices), supporting up to 20 Aqara Zigbee devices and 20 Thread devices. As a Matter Bridge, it connects Aqara Zigbee products to other smart home ecosystems, compatible with Apple Home, Amazon Alexa, Home Assistant, etc. Note: Use a 5V⎓0.5A power adapter (not included) and keep the product continuously powered during use.
- Advanced Matter Bridging for Seamless Smart Home Integration – The M100 enables Aqara’s unique features, such as facial recognition and complex automation, to work across Home Assistant and other Matter ecosystems. Expand your smart home with Aqara or third-party Matter devices (requires a Matter-enabled hub). Currently supports lights, thermostats, plugs, switches, buttons, and various sensors (motion, light, door/window, temperature/humidity), with more devices to be added in the future.
- Local Automation for Reliable Performance – Supports local execution of automations for Zigbee and Matter devices, ensuring smooth operation even without Wi-Fi or cloud access. Enjoy millisecond-level response times for a more stable and reliable smart home experience. (Some automation, such as cloud push notification, will still require the cloud connection to be executed.)
- Flexible Power & Small Size – Features a universal USB-A port for power and data, allowing connection to power banks, wall outlets, PCs, or routers for a simple and quick setup. The Hub M100's shaft can be adjusted within a 210-degree range, making its placement extremely flexible.
- 2.4GHz Wi-Fi 6 for Faster & Security—This product supports a 2.4GHz Wi-Fi 6 wireless network connection, which enables more efficient connections with advanced WPA3 security. Wi-Fi 6 ensures smoother performance even in high-traffic environments, allowing multiple devices to connect without compromising speed or reliability. Note: To ensure a stable connection, place the Hub M100 between 6 to 19 feet from the router.
2. Check the code and pairing window
Make sure the QR code is visible and try entering its setup code if scanning fails. Put the device into pairing mode using the manufacturer’s instructions. If it has timed out or was previously paired, follow the maker’s reset procedure, then fully close and restart the SmartThings app before trying again. SmartThings’ troubleshooting guidance is at Troubleshooting Matter in SmartThings.
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3. Check range and network compatibility
- Keep the phone and device within range of the controller during onboarding.
- If the controller is not offered, check its online status.
- If SmartThings reports a weak signal, move the device or relevant Wi-Fi/Thread router closer.
- If it reports network incompatibility, check that the device supports the selected network’s frequency and security type. SmartThings’ article calls out the difference between 2.4 GHz and 5 GHz Wi-Fi.
- Restart the Matter device and controller, then retry.
If the device paired but later goes offline
Work through these checks in order, following SmartThings’ troubleshooting guidance:
Rank #3
- [Multi-Protocol Hub with Matter Bridge] The Aqara Hub M200 is a versatile smart hub that supports multiple advanced features, acting as a Matter Controller, Thread Border Router, and Matter Bridge. It integrates third-party devices into the Aqara Home app. With advanced Matter bridging functionality, it syncs Aqara-exclusive features with ecosystems like Home Assistant, Apple HomeKit, Alexa, and Google Home for seamless integration. Supports up to 40 Aqara Zigbee devices and 40 Thread devices.
- [Smart IR Blaster with Feedback and Learning] The 360°IR blaster not only sends commands but also provides accurate status updates by detecting traditional remote use. It connects IR air conditioning units to Matter, functioning as an AC thermostat when paired with an Aqara Temperature and Humidity Sensor. (Note: Only one AC device can be exposed to Matter. Functionality may vary based on the Matter integration app. For Apple Home exposure, use Matter integration instead of HomeKit.)
- [Wired & Wireless Connectivity with PoE Support] Enjoy flexible setup with dual-band Wi-Fi (2.4/5 GHz) using advanced WPA3 security, and Power over Ethernet (PoE), making the M200 a versatile PoE Ethernet Smart Home Hub. The USB-C port supports mini-UPS or power bank connections for uninterrupted operation, ensuring your energy-saving and security automations stay online. (*2A USB power adapter is not included. )
- [Home Automation and Alarm System] Works with all Aqara devices to create a comprehensive, smart home automation system. The Aqara Hub M200 is equipped with a built-in speaker that can be used in a variety of ways: security alerts, doorbell, alarm clock, and custom audio messages. (** 𝐍𝐨𝐭 𝐭𝐡𝐢𝐫𝐝-𝐩𝐚𝐫𝐭𝐲 𝐙𝐢𝐠𝐛𝐞𝐞 𝐝𝐞𝐯𝐢𝐜𝐞𝐬)
- [Local Automation for Reliable Performance] Supports local execution of automations for Zigbee and Matter devices, ensuring smooth operation even without Wi-Fi or cloud access. Enjoy millisecond response times for a more stable and reliable smart home experience. (Some automation, such as cloud push notifications, will still require the cloud connection to be executed.)
- Improve range or reduce obstructions between the device and its network connection.
- Power-cycle the device if possible, restart the SmartThings app, and confirm that the device has adequate battery or mains power. Some battery-powered devices can misbehave before the battery reaches 0%.
- Power-cycle the Matter controller.
- If it remains offline, remove the device from SmartThings and add it again.
When to contact support—and what not to reset
Use the device manufacturer’s instructions for its reset procedure. If the device still cannot be reliably controlled after these checks, contact Samsung through Contact Us in the SmartThings app menu.
Do not remove or factory-reset the hub as an early troubleshooting step. SmartThings warns that removing a hub restores factory settings and permanently deletes associated device connections, routines, configurations, and services. Devices may also need to be reset or excluded separately before reconnecting. See SmartThings’ guidance on removing a hub.
Quick Recap
Rank #4
- Powered by SmartThings: Connect, monitor, and automate your home through the SmartThings app. Build a reliable, unified smart home using Samsung's proven ecosystem
- Matter + Zigbee Smart Home Hub: Supports the newest Matter standard plus Zigbee for lighting, sensors, plugs, switches, thermostats, and more - thousands of compatible devices. PLEASE NOTE: Z-Wave not supported
- Easy Setup with Wi-Fi or Ethernet: Get started in minutes using Wi-Fi or a wired Ethernet connection for apartments, houses, and expanding smart home systems - Z-Wave not supported
- Automations That Work for You: Create custom routines for security, lighting, comfort, and energy savings. Many local automations continue working even if your internet goes offline
- Wide Device Compatibility: Connect compatible smart devices from Aeotec and many other brands to build a unified system for lighting, voice control, energy management, and climate settings
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