Xfinity is a telecommunications service brand under Comcast Corporation. It offers a variety of services including high-speed internet, cable television, and digital telephone services. A subscription to Xfinity may provide features such as internet access at different speed tiers, access to a variety of TV channels and streaming content, and voice services like home phone plans. Additionally, Xfinity provides Xfinity Mobile, a mobile phone service. Some packages may also include home security and automation solutions.