Re:The personal SOS messages the BBC used to send
by dewey on Tuesday August 21, 2018 @07:43AM
(#17808732)
Not sure about Android but iOS has all this built in:
https://support.apple.com/en-us/HT207021
https://www.imore.com/how-add-emergency-contacts-iphone-appl...
The easiest I found is to write in info on an image & set it up as my lock screen wallpaper.