Verykool i121C - Manual (Page 32)

4.9.3 Display
― Wallpaper
You can set wallpaper under this function.
― Idle Display
You can choose the items list under this function. This can
be multiple selected.
―
Contrast
Press left/right navigation keys to adjust contrast, and then
press left soft key or OK key to confirm.
― Backlight
Set Backlightness and Time here.
― Keypad Light
Set keypad light or deactivate.
― Animation Effect
You can set animation effect of power on animation, power
off animation.
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