SunComm Technology Co. Ltd SC-397-GH3G Manuel D’Utilisation

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If selected, the terminal will change current 
settings to the default. They therefore change 
parameters as wallpaper, shortcuts, ringtones, 
volume level, etc.
 
The information stored in the phone memory 
will be maintained.
 
This option is password protected (1234).
 
Screen
 
 
From this menu you have access to modify:
 
Wallpaper - select a picture as wallpaper
 
Home screen - select the fields you want 
on the home screen
 
backlight level - change the backlight 
level with the cursor left and right 
navigation
 
backlight duration - select the duration of 
light on the screen. If you select "Always 
On", the screen never turn off. Note that 
this will consume the battery faster
 
Keyboard Illumination - Choose duration of 
light in keyboard 
 
Keypad Lock 
This option is disabled by default.
 
From this menu you can select the idle time 
after which the keypad locks to prevent 
unwanted keystrokes.
 
when the phone is locked "Unlock" is 
displayed on the left soft key 
 (4)
 
pto unlock the phone, press the button
 (4) 
(Unlock) followed by the 
 (OK) key. 
Safety
 
Since this option will access the security 
settings of the phone and the SIM card.
 
PIN:
 
Access this option to enable / disable / change 
the PIN on your SIM card. You need to know 
the current PIN before you can change it.