But Comcast has just released its new xFi Advanced Gateway, a high-speed modem-router combo that can handle gigabit speeds with ease, and I’m starting to think that it might not belong in the trash.

To help you narrow down the possibilities, this troubleshooting guide offers the best fixes ... light on your Comcast Xfinity ...

Xfinity also charges extra for modems and routers as well as installation, depending on the area. Verizon is consistently among the best internet providers for customer satisfaction and offers ...