Wireless

AT&T Claims T-Mobile Uses Deceptive Advertising, As Legal Fight Continues

AT&T filed its revised complaint and requested injunctive relief.

Kelcie Lee

Mar 11, 2026 — 2 min read

From left, photo of Verizon Senior Vice President Chris Miller, former DOJ prosecutor Mike Romano, T-Mobile Executive Vice President Mark Nelson, attorney Dan Schwager and AT&T Senior Executive Vice President David R. McAtee at a Senate Committee hearing about Arctic Frost accountability on Feb. 10, 2026 by Nathan Howard/AP.

WASHINGTON, March 11, 2026 – The longstanding legal battle between AT&T and T-Mobile continues.

Last month, AT&T filed a revised complaint against T-Mobile, alleging false and deceptive advertising tied to T-Mobile’s “Switching Made Easy” campaign. AT&T also requested injunctive relief, citing monetary damages from customer competition.

The lawsuit, filed in the U.S. District Court for the Northern District of Texas, alleged that T-Mobile used inconsistent savings claims with “apples-to-oranges comparisons” between premium and basic plans, while also displaying “misleading” information on time taken to switch carriers.

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