Ringtones
Personalize your ringtones:
Find it: Menu 
> Settings > Sound & display
>Phone ringtone or Notification ringtone
Sounds & display settings
To set sounds and display settings such as media volume, keypad touch tones, and the display orientation, press Menu 
> Settings
>Sound & display.
Quick launch shortcuts
To set keyboard shortcuts to launch your favorite app, press Menu 
> Settings > Applications
>Quick launch.
Date & time
Set date, time, time zone, and formats: Find it: Menu 
> Settings > Date & time
Language & region
Set menu language and region:
Find it: Menu 
> Settings > Language & keyboard
>Select locale
Personalize 37