FYI, Everything Smart Home channel on YouTube posted a guide about ZHA backup and migrations.
He explain why backups are important and shortly how to migrate to ITead’s Sonoff Zigbee 3.0 USB Dongle Plus from another Zigbee dongle/stick/adapter using a hacked Sonoff ZBBridge as an example:
https://www.youtube.com/watch?v=ql58ZfXso1M&ab_channel=EverythingSmartHome
Other than talking to ZHA decs I guess that much of the information comes from these other threads:
- https://community.home-assistant.io/t/backup-your-zha-husbzb-1-stick-and-even-seamlessly-migrate-to-a-new-stick-without-re-pairing/229044
- https://community.home-assistant.io/t/zha-migrate-existing-network-to-new-coordinator/284636
- https://community.home-assistant.io/t/zha-migrate-existing-network-to-new-coordinator/284636/
PS: Also check out this request/suggestion to add backup features to ZHA’s UI and do nightly backups: