See Section 11.20.3.2, “Querying the OTA Provider” for the semantics of these values.

MatterSpecification.v13.Core § 11.20.6.4.1

Enumeration Members

Busy

Indicates OTA Provider may have an update, but it is not ready yet.

DownloadProtocolNotSupported

Indicates that the requested download protocol is not supported by the OTA Provider.

NotAvailable

Indicates that there is definitely no update currently available from the OTA Provider.

UpdateAvailable

Indicates that the OTA Provider has an update available.