T-Mobile is offering cellular Starlink beta testers a free year of satellite service if they make the leap. Otherwise, it'll be $20 per month on rival networks when it launches in July.

T-Mobile plans to offer a free year of satellite messaging, but only to new subscribers who have already enrolled for the Starlink beta.

T-Mobile's upcoming promo will offer free satellite connectivity through Starlink for a year. New customers must sign up for the Direct-to-Cell program and port numbers to T-Mobile by July. The offer will only be available through online sales channel.

T-Mobile is giving one year of free Starlink satellite service to anyone who switches to it. You can get this offer by signing up for its free T-Mobile Starlink beta if you don't have a plan with the company yet.