Securing your smartphone is simple, quick, and very important in the event that it gets left behind somewhere or stolen.
The first thing you can do is put a friend or spouse’s phone number on the lock screen of your Android or iOS device. Create an image with a simple message such as “If lost, please return to Me (212)-555-1212.” Then set that image as the lock screen. If your phone lands in the hands of a good samaritan, this will help them get the phone back to you.
Securing an iOS device