Tap Security (on Alcatel and Samsung phones, tap Lock Screen)
Tap Screen Lock
Note: If prompted, enter your current password, PIN, or pattern
Choose your screen lock preference: none, swipe, password, PIN, or pattern
If using a password, PIN, or pattern, input & confirm your sequence and choose whether or not to show notifications on the lock screen
If your phone is encrypted, or if there are any additional device administrators, or 3rd party apps that require special security settings (e.g., Antivirus apps, banking apps, etc.) you may be required to keep some form of security lock active.