ModemGuides · The Blog · Tagged: AT&T Fiber
AT&T Fiber
Do You Need a Modem for Fiber Internet? No — Here's What Replaces ItFiber doesn't use a modem — an ONT replaces it. What each fiber ISP requires, when you can use your own router, and what to do with your...
How to Activate a Modem With AT&T (DSL, Fiber, and Phone Service)A plain-language guide to activating your AT&T gateway for Fiber and DSL internet service, including how to set up AT&T digital phone service through your gateway.
How to Cancel AT&T Fios Service (Step-by-Step Guide for 2026)AT&T Fiber has no contracts and no early termination fees. Here is how to cancel your service by phone, return your equipment, and avoid surprise charges on your...