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This week, I tried a feature of iOS that Iā€™ve been meaning to try since the iPhone 14 debuted, Emergency SOS via satellite.

The feature is impressive, but like fall detection on the Apple Watch, you hope never to need it. Itā€™s also a feature that you donā€™t want to have to try and figure out when an emergency happens, and time may be critical. To help with that, if you have a capable device, youā€™ll have been ushered towards a demo of this feature through a banner at the root of the Settings app.

The engineering that went into that demo app is fascinating to me.

First, itā€™s a whole separate app. It starts simply enough with some traditional onboarding screens that explain the feature. Then, when the demo begins, your cellular service is temporarily disabled, and the app appears to be tracking real satellitesĀ¹. Of course, it sends no messages, but it seems to be doing everything except that. Itā€™s impressive and clearly took a lot of time to create.

Iā€™d love to know how the creation of this demo app came about. Iā€™d imagine it was a combination of genuinely wanting people to get familiar with the process before needing it for real (and without the potentially panicked state of mind), having a large amount of ā€œdemoā€ code available from the inevitable test harness apps created during its development, with a sprinkle of consideration that it might also enable some word of mouth marketingĀ².

Finally, the discovery of this feature needs to be foolproof. Apple has trained everyone to expect an ā€œEmergency Callā€ option when you hold down the power and volume buttons, but in a panic, Iā€™d expect most peopleā€™s instinct to be to head to the phone app and dial 999/911. Sure enough, it pops up as soon as the call fails.

Very few of us need to approach design at the same scale as Appleā€™s design team, and itā€™s unlikely youā€™ll need to show off something quite like this in your apps. That said, I bet there are lessons you could learn from going through the demo yourself or watching someone else use it. It certainly opened my mind a bit.


Ā¹ It may not be making connections to the satellites, but itā€™s a compelling simulation if itā€™s not genuinely locating them.

Ā² ā€œMy new phone can send a message to emergency services even if I donā€™t have a connection! Let me show you.ā€

Dave Verwer  

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You all know what I'm going to write here by now, so I'll just leave you this link.

 

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