AT&T sued by Sprint, must defend decision to tell users that 4G is “5G E”
https://arstechnica.com/information-technology/2019/02/sprint-sues-att-to-stop-it-from-calling-its-4g-service-5g-e/
Sprint is suing AT&T, alleging that AT&T's misleading "5G E" advertising campaign violates laws prohibiting false advertising and deceptive acts and practices.