I have no connection to my DEVIreg™ Smart thermostat

  1. Check your smartphone or Device
    In case of a lost connection to the DEVI Smart App check that your device/ Smartphone are connected - a ‘lost connection’ notice will show on the screen. Follow the device message to reconnect to the network.

  2. Check your DEVIreg™ Smart thermostat connection
    There are many factors that might cause your DEVIreg™ Smart thermostat to be off-line occasionally. Before spending the time troubleshooting your home network, you should verify that one of these more common issues aren’t causing the problem:

    1. The connection to the Internet at your home is down
    2. A power failure at home
    3. There is a problem with your Wi-Fi router

You can test this by verifying that your phone can connect to the Internet via the same Wi-Fi network.

If you are still experiencing problems – check these troubleshooting steps:

  1. Restart Wi-Fi Router and/or Access point
  2. Check the router parameters – the table below shows the recommended settings for the


  3. Try to connect the DEVIreg™ Smart to a mobile hotspot using your smartphone

  4. Restart the DEVIreg™ Smart
  5. Check for 2.4 GHz interference – There is more details below about the types of devices that could be interrupting the signal.
  6. Check the parental controls on your Wi-Fi router/access point and other firewall settings (Refer to your Wi-Fi router documentation to see if this feature is enabled on your network and how you can exempt the DEVIreg™ Smart from these restrictions).
  7. Update your Wi-Fi access point or router’s firmware
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