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The first feature isEmergency SOS via Satellite.
The second, and more recent, feature is Messages via Satellite, which landed iniOS 18.
Below, then, we explain how to send satellite messages on an iPhone.
To check that, or update to iOS 18, go toSettings > General > Software Update.
Here, youll be prompted to use Messages via Satellite instead.
Justfollow the on-screen instructions to connect to a satellite and start texting.
To do so,kick off the tweaks appin iOS and go toApps > Messages > Satellite Connection Demo.
This lets you practice connecting to a satellite so that you know how to do it later.
Apple says that youll need toturn on iMessage in your iOS settingsbefore going off the grid.
