IHD Firmware release 1.9.1

We are currently pushing this minor release to the estate.

It fixes the issue that a few customers had with local mqtt client not connecting.

I will advise when the rollout is complete.


  • Works for me: My Glow is running 1.9.1 and I'm trying to connect it to MQTT (Mosquitto running as a Home Assistant add-on) for the first time.

    It works now that I've realised that *I needed to move my Glow from the guest wifi (clients isolated from the local network) onto my normal/trusted wifi network*.

  • SMETS2 rollout is complete - now doing SMETs1

  • SMETS1 rollout also complete.

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