Nikon MOTO QA4 - Manual (Page 15)

13 get started
Your phone displays Enter Unlock Code until you unlock
your phone.
To unlock your phone, enter your four-digit code and
touch the green checkmark.
change lock code
To change your lock code, open the main menu and
touch 7 Settings > General > Phone Lock. Enter your current
lock code and touch Change Lock Code.
Note: If you forget your lock code, contact your service
provider.
change lock settings
To change your lock settings, open the main menu and
touch 7 Settings > General > Phone Lock. Enter your lock
code.
Change the lock code or select from these auto-lock
settings:
options
On Power-up After you turn on your phone, it is
automatically locked.
On Lock Switch Your phone locks when you move the
side lock switch.