SmartThings Can't Pair — Pairing Fix

Quick answer

Note: Samsung discontinued the standalone SmartThings Hub. SmartThings hub functionality is now built into select Samsung TVs and the SmartThings Station. The troubleshooting steps below apply to all SmartThings hub devices.

• Ensure your SmartThings app is updated to the latest version.
• Confirm that your device is compatible with SmartThings.
• Check that your Wi-Fi network is stable and functioning.
• Restart both your SmartThings hub and the device you’re trying to pair.

Symptoms

• The SmartThings app shows an error message during pairing.
• The device fails to appear in the SmartThings app.
• The device appears but cannot connect.
• The SmartThings hub is unresponsive or shows a blinking light.

Quick checks

• Verify that your device is powered on and within range of the hub.
• Ensure Bluetooth is enabled on your smartphone if using Bluetooth pairing.
• Check for firmware updates for your SmartThings hub.
• Make sure no other devices are interfering with the connection.

Step-by-step fix

1. Restart your SmartThings hub:

   • Unplug it from the power source.
   • Wait for 30 seconds, then plug it back in.

2. Restart the device you’re trying to pair:

   • Turn it off and back on.
   • Ensure it’s in pairing mode (refer to the device's manual).

3. Update the SmartThings app:

   • Open your app store and check for updates.
   • Install any available updates.

4. Check Wi-Fi connection:

   • Ensure your smartphone is connected to the same Wi-Fi network as the SmartThings hub.
   • Test your internet connection by browsing a website.

5. Try pairing again:

   • Open the SmartThings app and follow the instructions to add a new device.
   • If prompted, enter any required codes or confirm pairing on the device.

If it still doesn't work

• Reset the device to factory settings and try pairing again.
• Check the manufacturer's website for specific troubleshooting tips.
• Contact SmartThings support for further assistance.

Thinking About Your Smart Home Hub?

SmartThings works best as part of a broader Samsung ecosystem. If you're evaluating hub options or voice assistants, our smart speaker buying guide covers the Echo lineup (which has a built-in Zigbee hub in the 4th gen) and Google Nest devices with Thread support — both worth considering as your smart home's backbone.

→ Expanding your sensor setup? See our smart sensor guide for motion, door, and temperature sensor comparisons.

FAQ

Q: Why can't my SmartThings hub find my device?
A: It may be due to compatibility issues, distance from the hub, or interference from other devices.

Q: How do I know if my device is compatible with SmartThings?
A: Check the SmartThings website or the device's packaging for compatibility information.

Q: What should I do if the app keeps crashing during pairing?
A: Ensure your app is updated, restart your phone, and try reinstalling the app.

Q: Can I pair multiple devices at once?
A: Generally, you should pair devices one at a time for the best results.

Q: How can I improve my SmartThings hub's connectivity?
A: Place the hub in a central location, away from walls and obstructions, and ensure it is connected to a stable Wi-Fi network.