Update my phone
To keep your phone current, software updates may be available. Press Menu 
> Settings > About phone
>System updates to see if your phone is up to date. If it isn’t, tap Update.
Security
help keep your phone safe
Screen lock
Set your phone to display a lock screen, and prevent accidental key presses, press Menu 
> Settings
>Display & security > Screen lock. You can also set a security lock to prevent others from using your phone.
Display & security
Brightness
Adjust the brightness of the screen
Wallpaper settings
Set the phone’s background wallpaper
Security
Screen lock
Display a screen preventing accidental touches
Security lock
Tap to turn on.
Tap to set lock type, code, and timer.
SIM card lock
Set up SIM card lock | Tap to set SIM card lock and |
| change SIM PIN. |
Passwords |
|
To set your security level, press Menu 
> Settings
>Display & security > Security lock > Security lock type:
Security 53
