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Stay a step ahead on the nation's largest 4G network. Stay a step ahead on the nation's largest 4G network. Stay a step ahead on the nation's largest 4G network.
What exactly is 4G? How does AT&T's 4G differ from other 4G networks? Find out what it's all about.

4G FAQ
AT&T's Chief Technology Officer John Donovan blogs about 4G strategy and deployment.

Read CTO John Donovan's 4G blog
We've made thousands of upgrades to our network all across the US.

Now with 3000 more 4G cities and towns than Verizon


LTE 101
Learn what LTE means.

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*Limited 4G LTE availability in select markets. LTE is a trademark of ETSI. Comparison based upon U.S. cities and towns with 4G coverage. Smartphone download claim based on a comparison of average download speeds of Androidâ„¢ smartphones operating on the 4G LTE networks of national carriers in the United States. 10x faster 4G LTE claim compares 4G LTE download speeds to industry average 3G download speeds. 4G speeds not available everywhere.