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Why is AT&T shutting down the 3G network?
AT&T will be shutting down its 3G network as part of an ongoing plan to improve its wireless network and continue to invest in 5G.What to know about 3G going awayWhen will 3G network be shut down?We’ve phased out our 3G network, starting on February 22, 2022.How can you prepare for the 3G shutdo

3G shutdown

Upgrade to 5G

Knowledge Base Article

 • Self-Help

How can I speed up my internet?
What affects my internet speed?The speed of your internet connection to your Wi-Fi® gateway is pretty consistent. You can check it with AT&T Smart Home Manager.However, the speed you get on devices connected to your network can vary. The number of devices you connect to Wi-Fi, how you use them,

AT&T Internet Speeds

Speed up internet

Internet speed tips

Knowledge Base Article

 • Internet

AT&T 4G/LTE Cell Booster™ Informational Document
Table of contentsIntroduction 4-6Initial Setup and Testing 6VoIP Basics 7-9Cell Booster Requirements 9-10Minimum Router Requirements 11Wireless Home Phone (WHP) 12 ADT (Brinks) Home Security 12WiFi Calling (WiFi-C) 13-14Ethernet Conditions 14-15GPS Lock 15-16Initial Activation 16-17Handing over 17-1

AT&T Cell Booster

4G/LTE Cell Booster

Knowledge Base Article

 • Wireless

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