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

T-Mobile plans already offer some of the best value in the business with their reasonable pricing and top-tier coverage. Now that supplemental Starlink service has been approved by the FCC, the value proposition has become even stronger.

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.