AT&T and T-Mobile urge FCC to require automatic phone unlocking, citing Verizon's model. The companies argue that locked phones limit consumer freedom and competition, while Verizon supports a uniform unlocking policy for all providers. The FCC is considering imposing phone-unlocking rules using its legal authority under Title III of the Communications Act.

Source: https://www.wired.com/story/att-tmobile-claim-locked-phones-are-good-actually/