zigbee Lidl extender problems

If any of you know what happened to this zigbee extender (see photo and video) from Lidl and how I can fix it… I would be grateful :pray::pray::pray:

Thank you in advance…

moderating: removed Google drive link.

Should work when you use the Tuya Zigbee test version app.
(This Tuya Zigbee app and the Lidl app are by the same developer, and all Lidl devices are also supported by this app)

Add one of these three device types (not sure which one works):

When the outlets switch as one and not as three or four individual ones, you’d interview the device using this page