Identify the transport
Matter over Wi-Fi and Matter over Thread depend on different network infrastructure.
Check the controller and border router
For Thread devices, the Thread network and a functioning border router matter.
Try ordinary restarts before resets
Platform and manufacturer support guidance often recommends restarting hubs or bridges before destructive reset.
Reset last
Factory reset can remove pairing information and make the problem harder to diagnose if the underlying network issue remains.
Keep in mind. Compatibility is not permanent. Confirm the current manufacturer, platform and certification information before purchasing, resetting or migrating a device.