Comcast has agreed to discontinue its "Xfinity 10G Network" brand name following a ruling that deemed the term misleading. The decision, handed down by the National Advertising Review Board (NARB), comes after challenges from industry rivals.

Verizon and T-Mobile both challenged Comcast's advertising of "10G," a term cable companies have used since 2019 to refer to potential 10Gbps connections. Those speeds are much faster than what Comcast's standard cable networks can currently...