Starlink support appears to be a secret iOS 18.3 feature for iPhones, some of which now support satellite communication services from SpaceX — but only for users invited to join public beta testing of the service on US carrier T-Mobile. This supplements Apple’s existing satellite services supplier, Globalstar.

Apple is reportedly partnering with SpaceX and T-Mobile to integrate Starlink satellite support into iPhone software, according to Bloomberg. The partnership would offer some T-Mobile customers an alternative to Apple's existing satellite communication service,

T-Mobile's cellular Starlink beta program was initially restricted to five Samsung phone models. But the carrier has quietly expanded it to select iPhones running iOS 18.3.