***Updated 5/28/2026*** The Xfinity Speed Test, also known as the Speed to Device Test, is a web-based speed test used to measure your real-time network connection. The test measures the download speed, upload speed, latency and activities that can be supported by the connection to your device. FAQs

***Updated 8/25/2026*** Protect your home from fire damage. What is smoke monitoring? Xfinity Home smoke monitoring uses smoke and heat detectors that, together with your primary system, are designed to keep your property safe. When an alarm is triggered, our smoke detectors alert the Central Monito

***Updated 8/31/2026*** This article outlines how to set up your home alarm system and phone. Check compatibility Most home alarm systems are supported by Xfinity Voice service, but we recommend that you consult your home alarm company before having Xfinity Voice installed. Because we use our own ma

***Updated 6/17/2026*** An affordable new product from Xfinity, NOW Mobile offers an incredible value on unlimited 5G data, for $25 per month per line of service, with options to bring your own device (BYOD) or choose a new one. This article includes answers to FAQs about NOW Mobile. For more on NOW

***Updated 6/23/2026*** With NOW Mobile, you get incredible value on unlimited data, with no credit check, no term contract, and plan taxes and fees included. NOW Mobile includes: Unlimited data at $25 per line of service (taxes and fees included).No credit checks, just pay in advance and use in min

***Updated 8/31/2026*** Protect your household while enjoying Xfinity Voice service. Compatibility with emergency alert services Xfinity Voice service is compatible with personal emergency alert response systems provided by Philips Lifeline and Linear LLC. Xfinity Voice service doesn’t guarantee com

***Updated 6/2/2026*** BYOD means you can use a device you already own with Xfinity Mobile. Instead of buying a new device, you just bring the one you have and update your network to Xfinity Mobile. It’s a simple way to save money and keep using the device you’re comfortable with! Keeping your phone

***Updated 8/31/2026*** Using voicemail withXfinity Voiceis easy. See the details below for the menu options for your home phone. Manage the voicemail phone map Click the voicemail menu to view the available options and their descriptions or dial *99 on your home phone to access voicemail Main menu

Xfinity Home is a total home security solution that includes professional monitoring and advanced technology, all installed by experts and powered by WiFi from Xfinity. What you'll get Xfinity Home comes with different options depending on your service tier and equipment package. Equipment choices c

The Xfinity Forum has some features that make participating in the forum that much more fun. One of these features is our badges. Badges provide our users acknowledgement for the positive actions they perform in the Xfinity Forum. Below are the different badges that are currently earnable and the ac

Entertainment The 2026 NCAA® March Madness® tournament is here and Xfinity has your ticket to watch all the action of the NCAA men’s and women’s championships. With Xfinity TV, you can watch every game and access exclusive features and content that enhance your viewing experience and ensure you won’

***Updated 8/13/2026*** Learn how to resolve the XRE-00250 error code. Message XRE-00250 is caused by a device being removed from the account. "Something is not quite right. Please chat with us at xfinity.com/chat or give us a call at 1-800-XFINITY.” Common solutions Did you know there’s a simple wa

***Updated 6/23/2026*** SIMs are one of the most important parts of your phone. They let it “talk” to the Xfinity Mobile network making it possible for your phone to make calls, send texts, and connect to data. There are two main types of SIMs: nanoSIM (physical SIM) and eSIM (electronic SIM). Some

***Updated 6/23/2026*** Make the most out of the Xfinity Stream app on your Apple phone or tablet. In this article, learn how to: Install the Xfinity Stream app.Watch, download, or modify a recording.Watch live TV.Watch or download Xfinity On Demand.Adjust the appearance of closed captioning (CC). I

***Updated 8/13/2026*** Learn how to find help videos about accessibility features that empower our customers with disabilities. This includes some videos with American Sign Language and some that are scripted with our customers who are blind or have low vision or a visual disability in mind. Access

***Updated 8/30/2026*** Robocalls, or spam calls, are quite the hassle. Fortunately, your Xfinity Mobile plan now includes call filtering at no additional cost and if you’re on our current pricing plan and enrolled in the Premium Unlimited data option, you also have added peace of mind with Xfinity

***Updated 8/25/2026*** Learn what to do when you have a problem with a Light Switch or Wireless Light Bulb in your Xfinity Home system. What you'll need Xfinity HomeAccess to the light you're having trouble with I can't control my LIFX, Lutron Caseta, or Philips Hue lights from the Xfinity Home app

**UPDATE 02/15/2024** We want to support our customers impacted by the events taking place in Ukraine and Israel by helping them stay connected with loved ones during this difficult time. Through March 21, 2024, Comcast will waive all charges for calls to Ukraine and Israel for Xfinity Mobile, Xfini

***Updated 8/31/2026*** Find answers to frequent questions about porting your phone number when you switch to Xfinity Voice. What is local number portability (LNP)? Local number portability is a government requirement for all voice providers. It allows customers to keep an eligible phone number when

***Updated 8/24/2026*** Works with Xfinity lets you link compatible smart home devices to your Xfinity Home Security system, so you can control them from the Xfinity Home app. You will need: Xfinity Home Security service.The Xfinity Home app.A compatible device, installed and activated according to