AT&T Communications CEO John Donovan won't be smiling now — while T-Mobile and Verizon calling out AT&T's "5GE" antics may have amused him, news of the federal lawsuit filed by Sprint against the company likely will not. In a strongly-worded complaint filed with the Southern District of New York, Sprint is looking to get AT&T to stop referring to its 4G LTE Advanced network by the misleading term 5G Evolution, or any other similar name with the words 5G in it.
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