Zigbee issue with Homey Pro 2026 migrated from Homey Pro (Early 2023) using USB Restore

This is really useful information. Thanks for testing / going though this process :grinning_face:!

So basically, if I understand you correctly: a Zigbee reset allows you to pair and repair devices again. Also the existing devices are not removed from Homey by the reset and can (/need to) be repaired (via maintenance function). Thus no need to repair existing flows.

Downside is the effort needed of going though this proces and repairing the devices.
Still hope Athom can fix this in a way that the whole reset-and-repair exercise is not needed.

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Exactly as you say. As of right now, I have an apparently fully working Homey again with all my flows and insights intact having ‘only’ repaired all Zigbee devices after the network reset.

So as you say, would still definitely be a LOT better if Athom can issue a fix but at least there’s a work-around that’s not a complete non-starter even with a moderately large number of Zigbee devices.

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I managed to get my single Matter over Thread bulb repaired as well, also without losing any insights or having to repair flows. I doubt the way I did it was how it was meant to work but Matter over Thread processes seem pretty poorly documented so far so I was kind of guessing.

What I did and which worked was I removed the device from Apple Home, then went back to Homey and initiated repair on the device and selected to pair via iOS as i did originally. The instructions Homey gave me at this point were wrong (the bulb actually needed to be reset so I googled that - switch off and on 5 times quickly as it was an Aqara T2) and then pairing initiated. I was then taken to the Apple pairing process and scanned the QR code for the bulb and then I got taken back to Homey and the device was successfully repaired. After that, I could then add the device again to Apple Home (which detected it as an existing Matter device when I went to Add an accessory in Apple Home app).

This seems excessively long-winded but it worked. If I’d had any scenes or automations in Apple Home it would have been annoying since presumably I’d have had to rebuild them but I keep all my logic in Homey so wasn’t an issue for me. I imagine there might be a better way. Belatedly, I realised Apple Home has an option on a device settings page to initiate pairing mode so maybe that was all I actually needed to have done to then go through the repair in Homey.

All stable since the migration yesterday

Thank you very much :heart: - let me summarise briefly:

  1. Create a backup in case something does go wrong
  2. Reset the Zigbee network
  3. Reconnect devices via repair
    1. First the mains-powered devices
    2. Then the battery-powered devices
  4. Flows should then repair themselves and work again.

Correct? Then I would state that right now.

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Yes exactly

Perfect – then I’ll report back here in detail.

Brief description of the current situation and starting point:

I had a Homey Mini – Pro, but I quickly reached the limits of its memory with my devices, so I decided to get a Homey Pro 2026. To avoid starting from scratch, I made a backup of the Homey Pro Mini. I then imported this when the big brother arrived.

All battery-powered devices in my case, Aqara window/contact sensors that were connected after importing the backup, were only usable for a period of X.

This means that pairing is possible and visible in Homey (no red triangle), but there are no more notifications when doors/windows are opened. Repairs, restarting Homey and re-importing backups did not lead to any improvements or solutions.

Procedure for reconstructing @Jonathan_Draper process on the Homey Pro 2026:

1. Backup created locally.

2. Reset the ZigBee network using the developer tool.

  1. In my case, I did this twice because the first reset caused the ZigBee channel to change to “11”, which was too close to my Wi-Fi channel.

  2. So I reset it again and got channel 20.

3. All ZigBee devices were marked with a red triangle.

4. Selected the device → “Device not available” → you can click directly on “Try to repair”.

5. Put the device into pairing mode.

6. The device was quickly reconnected.

This is the status at 1:20 p.m.:

I took advantage of the short break to report to you that 20 powered devices are currently connected.

This is purely theoretical, so that the Zigbee network may stabilise in my mind.

Now I will continue and connect the battery-powered devices. In my case:

Aqara window/door contacts, motion detectors, water sensors and temperature sensors.

I will get back to you with an update once this has been done.

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4:30 p.m. → All devices are connected.

The water sensor/leak sensor caused some problems → but gave up after a few attempts.

I reconnected two window sensors after about an hour and changed the battery.

Otherwise, everything looks good – time will tell what the actual result will be.

I’m still having problems with the two Matter devices from Ikea – I haven’t been able to connect them yet.

I will provide a long-term/24-hour update tomorrow.

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Current status – 2 sensors had to be repaired again.

Some of the contact sensors need to be opened and closed 3–4 times before they respond.

I am not particularly satisfied so far, or rather disappointed → another 6 hours of work and even the most basic things are not working. I don’t even need to think about flows etc. as long as the sensors are so unreliable. Reminder: these previously worked 100% reliably with HomeBridge under Apple Home.

I don’t know whether a ZigBee network like this still needs to “find its feet” …