Verykool i601 - Manual (Page 18)

6.2.4 Auto power on/off
You can set the phone to switch on/off at a scheduled
time.
6.2.5 Power management
Display the battery capacity.
6.2.6 Restore factory settings
Reset all parameter values into default status. Please enter
the privacy preserving password (Initial password is 0000) to
resume factory setting.
6.3 Display settings
6.3.1 Wallpaper settings
Select the default or other pictures as the wallpaper of the
phone.
6.3.2 Idle display settings
You can choose that which item will be displayed on the
standby screen.
6.3.3 Contrast
Press Left /Right Key to adjust the contrast.
6.3.4 Backlight
Select the desired backlight time.
6.3.5 Keypad backlight time
Select the desired keypad light time.
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