Samsung J1 SM-J120F - Manual (Page 28)

Basics
28
Pattern
Draw a pattern by connecting four dots or more, and then draw the pattern again to verify it.
Set a backup PIN to unlock the screen when you forget the pattern.
PIN
A PIN consists of numbers only. Enter at least four numbers, and then enter the password
again to verify it.
Password
A password consists of characters and numbers. Enter at least four characters including
numbers and symbols, and then enter the password again to verify it.
Notification panel
Using the notification panel
When you receive new notifications, such as messages or missed calls, indicator icons appear
on the status bar. To see more information about the icons, open the notification panel and
view the details.
To open the notification panel, drag the status bar downwards. To close the notification panel,
swipe upwards on the screen.