If you hike in remote areas, drive through long stretches of desert, or take your boat offshore, you likely spend a lot of time outside of cellular network coverage. In the past, if your car broke down or you suffered an injury in a dead zone, you were entirely on your own unless you carried a dedicated, expensive satellite phone.
Starting with the iPhone 14, Apple included specialized hardware that allows the phone to connect directly to satellites in low-earth orbit to send emergency text messages to first responders, even when you have zero bars of cellular or Wi-Fi signal. However, pointing a phone at a satellite requires very specific positioning, and an emergency situation is the worst possible time to try and figure out how the interface works.
To solve this, Apple built a highly realistic “Demo” mode directly into iOS, allowing you to practice connecting to a real satellite without actually calling 911. This guide explains how to run the Emergency SOS via Satellite demo.
Requirements for the Demo
Before you begin, you must ensure you have the correct hardware and environment.
- You must have an iPhone 14, iPhone 14 Pro, iPhone 15, or newer. Older models do not have the physical satellite antennas required.
- You must be outside with a clear, unobstructed view of the sky. The technology cannot penetrate roofs, heavy tree canopies, or tall canyon walls.
- Your iPhone must have Wi-Fi turned off, and you must travel to a location with absolutely No Cellular Service. (Turning on Airplane mode will not trigger the satellite feature; the phone must genuinely believe it is in a dead zone).
How to Launch the Satellite Demo
Once you are outside and your phone displays “No Service” or “SOS Only” in the top corner, you can initiate the test.
- Open the Settings app on your iPhone.
- Scroll down and tap on Emergency SOS.
- Scroll to the very bottom of the menu. Under the “Emergency SOS via Satellite” section, tap the button labeled Try Demo.
- A splash screen will appear explaining the feature. Tap Next.
Connecting to the Satellite
The interface will now guide you through the exact process you would experience in a real emergency.
- The screen will turn dark and prompt you to point your phone at the sky.
- A green radar graphic will appear on the screen, showing the current location of the nearest satellite moving overhead.
- Turn your body left or right, physically pointing the top of your iPhone toward the green satellite icon on the screen.
- Once you lock onto the signal, the icon will turn solid green, and the phone will say “Connected.” You must keep the phone pointed at this spot. If you lower the phone or turn away, the connection will drop.
The Simulated Emergency Chat
Once connected, the demo will simulate the text message conversation you would have with the emergency relay center.
The system will automatically send a simulated burst of data containing your GPS coordinates, battery level, and Medical ID. It will then ask you a series of multiple-choice questions (e.g., “What is the emergency?” > “Vehicle Issue” > “Stranded”).
Notice how slowly the text messages send. Satellite bandwidth is incredibly narrow, and a single text message can take anywhere from 15 seconds to a full minute to send, depending on cloud cover and satellite position. This demo teaches you the most important lesson of satellite SOS: Be patient, and do not move your phone.
Once you are comfortable with the interface, you can tap End Demo in the top right corner.