With iOS 18.3, iPhone users with T-Mobile can connect to Starlink satellites. T-Mobile Starlink is in beta and requires signing up. It currently supports text messages and contacting emergency services when you don't have cell coverage.

In a move that caught many by surprise, Apple has quietly integrated Elon Musk’s Starlink satellite network into the latest iPhone software update, iOS 18.3. This new addition gives iPhone users an alternative to Apple’s previous satellite service,

The move is surprising for many reasons but mostly because it presents a direct challenge to Apple's existing Globalstar service.