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Cell phones have the ability to display critical emergency health information right from your lock screen to emergency workers to give them information about you that could be life-saving. This requires a bit of configuration to get that information ready.
How to configure in iOS Devices
Please see the setup article on Apple's website here: https://support.apple.com/guide/iphone/set-up-and-view-your-medical-id-iph08022b192/ios
Video Walkthrough: https://www.youtube.com/watch?app=desktop&v=F3XIkl75Els&ab_channel=AppleSupport
How to configure on Android Devices
Please see the setup documentation from Google's website: https://support.google.com/android/answer/9319337?hl=en#zippy=%2Cuse-the-personal-safety-app