How to Add Owner Information to Your Android’s Lock Screen
Screen locks add security to your Android phone, but what happens when a Good Samaritan finds your phone? He'll probably pick up the phone and turn it on. Whether your phone is locked or not, the Good Samaritan would probably appreciate some text right on the lock screen that says who the phone belongs to and how to contact that person. That makes sense.
To add owner info text to your Android phone’s lock screen, follow these steps:
Visit the Settings app.
Choose the Security or Lock Screen category.
On some Samsung phones, the Lock Screen category is found on the Device tab.
Choose Owner Info or Owner Information.
Ensure that there's a check mark by the Show Owner Info on Lock Screen option.
Type text in the box.
You can type more than one line of text, though the information is displayed on the lock screen as a single line.
Touch the OK button.
Or touch the Back icon to return to the previous screen.
Whatever text you type in the box appears on the lock screen. Therefore, type something useful as the command suggestions: your name, address, another phone number, and e-mail address, for example. This way, should you lose your phone and an honest person finds it, he can get it back to you.