Hi @Ramki ,
if we have any script to update the firmware update on monthly basis.
Based on my research, I am afraid there's no officially offered script for this requirement at present.
and its it possible to have them via premimum room device support
According to the introduction in this page, yes, firmware update is included in what's provided by Teams Rooms Premium:
And this is also mentioned in the blog below:
Introducing the new Microsoft Teams Rooms Premium
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