How to use satellite messaging on an iPhone Go to the Messages app. A satellite prompt will automatically appear if there’s no cellular service or Wi-Fi. Tap Use Messages via Satellite.

Following Hurricane Milton's landfall in Florida, here's how to make sure you can send messages via satellite if you have no cellular and Wi-Fi coverage.

Apple's recently introduced mobile operating system, iOS 18, lets iPhone customers send text messages via satellite, as well as to contact emergency services, without a Wi-Fi connection.

However, if you have an iPhone, you can connect to a satellite to call for emergency services or send messages to your loved ones.