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Support
Internet
Connections, browsing & security
Web browsing & internet speeds
Web browsing & internet speeds
Explore factors that impact internet speed and learn how to improve browsing.
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Internet speed FAQ
Find answers to questions about AT&T Internet plans and speed.
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Understand internet speeds
Many factors affect the internet service you purchased from AT&T. Learn how these factors affect your internet speed.
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Maximize home Wi-Fi networking
Get the most out of your Wi-Fi home network by trying a few tips.
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Optimize your networking experience
Get the most out of your home network. Learn how to test and verify devices connected to your Wi-Fi gateway are properly setup to connect at 802.11n speeds.
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Keep your computer running smoothly
If your computer is running slower than normal, we can help. Try our tools and tips for cleaning things up.
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Clear browser history, cookies, and cache
Want smoother internet browsing? Find out how to clear your cookies, cache, and history.
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Find supported operating systems and web browsers
Have one of our services? Use these supported operating systems and browsers to get the best results.
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IPv6 and AT&T Internet services
IPv6 is the future of Internet Protocol (IP) addresses. Learn more about it and if your equipment and operating systems are compatible.
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Enable IPv6
Learn how to set your operating system for IPv6.
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