AT&T announced its plans to launch a really fast mobile network in Austin and Indianopolis later this year. The carrier calls it a 5G network and says theoretical peak download speeds of 400Mbps are to be expected, with carrier aggregation and other network techniques bumping that to as much as 1Gbps in some areas.
However, there's no 5G network standard as of 2017, hence there's no such thing as a 5G smartphone yet. But Snapdragon 820 and Exynos 8890-powered smartphones – that is, most flagship devices from last year – come with modems capable of 600Mbps download speeds. ...
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