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How do I update my firmware?  I have Xfinity and my latest driver version is 3.0.2.201.

Firmware updates are pushed automatically from your internet service automatically through the coaxial cable this is because they need to test and approve it

 

Hope this link helps you out! 

https://arris.my.salesforce-sites.com/consumers/articles/General_FAQs/Upgrading-Firmware-on-Cable-Modems-Gateways


Thx