Starlink received approval to provide Supplemental Coverage from Space (SCS) within the United States. This means that in areas not covered by terrestrial cellular networks, Starlink satellites can provide service to cell phones.

T-Mobile and Starlink have been working since 2022 to bring direct-to-cell satellite service to T-Mobile subscribers. Now, the Federal Communications Commission (FCC) has signed off, in an industry-first. The commission says bringing satellite cell service to mobile customers has "critical public interest benefits."

Using satellites as a backup for cell service, and providing coverage in areas where traditional service doesn't cover, just took a big step forward.

However, as The Verge points out, there are some restrictions in the FCC filing. SpaceX cannot yet increase the radio emission power of its Starlink satellites. Companies such as

SpaceX’s Starlink satellite network has earned a groundbreaking Federal Communications Commission (FCC) approval, marking a significant step toward delivering direct-to-phone connectivity for T-Mobile customers.

The companies announced a partnership in 2022 and the first set of satellites for the venture were launched into low-Earth orbit in January.