Aqara water leak sensor and Homey

Hi, I may have a solution to all those pairing problems.
I bought Aqara Temp and Humidity Sensor and an Aqara Wireless Micro Switch. The temp+humidity sensor paired right away with Homey Pro v5 through Aqara & Xiaomi ZigBee app but then I spent hours trying to figure out how to make the Micro Switch to pair without success. I also could not pair a new Philips Hue Motion Sensor (without Hue bridge and using Philips Hue ZigBee app).
Then I changed ZigBee channel under https://developer.athom.com/tools/zigbee from 11 to 18 and restarted my Homey. After that, both the Philips Hue Motion Sensor and the Wireless Micro Switch paired at the first attempt! Before choosing channel 18 I checked what channels my wifi was using for B/G/N and then consulted https://support.metageek.com/hc/en-us/article_attachments/115017048148/ZigBee_Channels.pdf to find a ZigBee channel as far away as possible from the one(s) used by my wifi access points. Since my wifi access points use channel 1 and channel 11 respectively, ZigBee channel 18 seemed to be my best option. Good luck, and please comment here if it works for you or not.

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