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Sonoff MINI L2 Extreme switch - how to connect properly to HC3



Hello fellow Fibaro-ists.
I am trying to connect Sonoff MINI L2 EXTREME (no neutral) Zigbee switch to my HC3, but with no visible success. (this is the only device small enough that it fits in my wallbox under existing switch)

It is this exact device: 

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Switch is properly wired and works when using on device switch button, but...

When I try to add switch to HC3 in console it looks like this
[28.01.2023] [11:37:42] [TRACE] [ZIGBEE]: Device identification process started.

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which seems ok, but there is no new device in connected device menu (tried to wipe out filters etc.).
But in Zigbee section of Settings counter of connected devices has increased.


Do i need some module installed to make it work?

Is it just "not supported"?

Or maybe I am just too unexperienced with HC3 (complete newbie atm.)
Thank you for any advice or hint.



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