
Emergency contacts, SOS, and location sharing only work when you set them up ahead of time, so turn them on in order starting at No. 1.
The fastest way to get help from your phone in an emergency is to switch on its safety features before anything happens. Emergency contacts, SOS, and location sharing are already built in, but in a real crisis you won't have time to hunt through menus, and a locked phone is useless to rescuers.
What confuses many people is that they know the feature names but not when each one kicks in or who it is meant to help. This list is split into three cases: you're locked out and can't act, you need to send a signal yourself, and you've lost the phone itself, in the order you're likely to need them.
How we chose
- Does it work even if you can't speak or operate the phone?
- Is it quick to set up, and only once?
- Is the risk of accidental triggers or exposing personal data low?
If you're starting fresh, begin with Nos. 1 and 2. If you often head out alone, start at Nos. 5 and 6. Menus differ by device, so turn each one on yourself to confirm.
Lock Screen Emergency Contacts
Lock Screen Medical Information
Android Emergency SOS
iPhone Emergency SOS
Emergency Location Sharing
Check-In Timer
Emergency Alert Notification Settings
Find My Device
How to choose
If you're new to this, spend five minutes on No. 1, emergency contacts, and No. 2, medical information. If you hike alone or walk home at night, No. 5 location sharing and No. 6 check-in timer help most. If disasters worry you, check No. 7 alert settings first, and if you often lose your phone, No. 8 is for you.
Whatever you enable, learn it once in a safe place and take care not to trigger a real report during a test. In an emergency, calling 119 comes before any app. Information reflects the time of research and may change by device and OS, so check the manufacturer's official channels before setting up.
Frequently asked questions
Is it okay to test the emergency SOS feature?
It's fine to turn it on and review how it works from the settings screen, but don't trigger it in a way that dispatches a real emergency call. Learn the mechanics from the menu description in a safe setting instead.
Who can see the medical info on my lock screen?
It's designed so first responders can view it without unlocking your phone. Stick to what's useful in an emergency, like allergies, medications, and blood type, and double-check the sharing scope in settings.
Menu names differ between phones. Where do I check?
Exact menu names and locations vary by manufacturer, model, OS version, country, and carrier. If you can't find a setting, your device manufacturer's official support page lists the current menu name for your device.
What does emergency location sharing need to work?
You need to add contacts in advance and keep location permission turned on. Battery saver modes or weak coverage can delay delivery.
Do disaster alerts sound in silent mode?
On many phones these alerts sound even on silent or Do Not Disturb, but it can depend on your device and carrier. Check yourself that the alert category isn't switched off.
Which feature should I set up first?
Lock screen emergency contacts come first, because rescuers can see who to call even when your phone can't be unlocked. Adding medical information next is a good follow-up.
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