Nyx LUX User Manual page 35

Security
This allows you to protect your device from unauthorized users by setting the PIN
code or entering a password before being able to access the phone.
Screen Lock
Please refer to Locking/Unlock your Phone
Disabling Screen Unlock Security
If you have created an voice unlock, unlock pattern, PIN or password, you can
disable it.
Tap  Security  Screen lock.

Draw the screen unlock pattern or enter your PIN/ password you have created if
required.
Tap None.
Owner info
You can type text to display on the lock screen
Encrypt Phone
This requires a numeric PIN or password to decrypt your phone each time you
switch it ON.
Note: Encryption takes an hour to accomplish. For more info, tap  
Security  Encrypt your phone.
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