Xfinity Forum Archive...
This is an archived section of the community.
Content in this area has been identified as outdated or irrelevant.
This change was done in an effort to make the forum easier to use and to keep only the most helpful and recent content active.
Post your questions in the Xfinity Community
Is it a Comcast supplied gateway device ? If so, the firmware is kept up to date automatically by them.
If you have an all in one gateway, Comcast will do that automatically. (rental or retail). If you have a separate retail router go to the manufacturers website.