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AT&T 4G LTE frequency bands

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AT&T 4G LTE frequency bands

Hello,
I am in the process of buying an unlocked android phone and I'm wondering what 4G LTE bands does at&t use? All of the websites I have visited are outdated or vary in response.
Also, the sources I find say that band 17 is the main network band; however, I have recently learned that band 17 is a sub band of band 12. Is it possible to use band 12 instead of 17?

Thank you
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ACE - Expert

Re: AT&T 4G LTE frequency bands

To get full service your new device will need band 2,4,5,12,30
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*The views and opinions expressed on this forum are purely my own. Any product claim, statistic, quote, or other representation about a product or service should be verified with the manufacturer, provider, or party.
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