A nice guy created a PR. There you’ll find the URL for manual updating. It’s a shame that Aqara can’t provide the URL itself.
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Thanks for that! Still cannot update these lovely thermostats. Devices do not respond to OTA. They are just stuck at -1 Firmware in Z2M… The app route as XT-XianTang mentioned still does not work reliabily. Resetting and readding also does not help.
I am now at the point where I give up and get different thermostats, heck even the old E1’s would be an improvement
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How can one see the valve opening percentage? Is it available through the Aqara app or Home Assistant? Thanks.
I can see it in Z2M but for me it is not accurate at all.
Shows 0% - Radiator boiling hot 
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Is it known how often does the thermostat refresh with the hub (not on matter)? What I have noticed every morning the radiator is heating, if I press the thermostat it shows the “old” room temperature, only after that it updates to the new one (a difference of about 3-4 degrees).
Is there a new firmware update on the way? The thermostat still has the issue of never reaching target temperature.
Also, does anyone else sometimes have an issue where valve position is no longer updating in Home Assistant with Zigbee2mqtt? Temperature still updates.
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Yes, has the same issue that valve position is not updated after some time.
Fun fact: if you actively fetch it over Zigbee2MQTT GUI the valve position is reported correctly.
Valve position is not updated with the regular payload anymore.
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I have the same problem. After a while, the valve position stops updating. I also noticed that a thermostat was heating for no reason, even though the temperature setpoint was set to 5°C and it was much warmer outside. Removing the batteries and restarting the system resolved the issue and closed the valve.
Sadly, no improvement for a long time.
It seems aqara is not anymore interested in improving their product and communicating this to their users.
This was my last aqara product, that is more complicated than switch or light bulb
I have lost faith in aqara!
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