Looks like you need to keep trying. The instructions and user comments from the other thread might help.
When you select the "Update Firmware" option, Hubitat communicates with the target device, prompting it to check for firmware updates. This interaction can lead to one of three scenarios:
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The device successfully receives the prompt, queries Hubitat for updates, but none are available. In this instance, the following message will appear in the logs: "Firmware update for … is not available". No further action is required as the device is already up-to-date.
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The device receives the prompt, queries Hubitat, and updates are available. The download process then commences. You’ll see this message in the logs: "Starting firmware update for …". It’s important to wait patiently until the update completes, which can take approximately 100 minutes for battery-powered devices.
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The device fails to receive the prompt, likely due to being in sleep mode. This seems to be your current situation. Hubitat waits for a response from the device, and if none is received, the following message will appear in the logs: "Firmware update for … failed, check if the device supports over the air firmware updates". To resolve this, ensure the device is awake (by pressing a button) when you click the "Update Firmware" option and confirm the action by clicking "OK" in the popup.
Hope this helps!
