Zte SKINNY R286 User Manual page 19

HOW TO ANSWER AN INCOMING CALL
There are two ways to answer an incoming call:

Press the green key

Press the red key
Handy Hint:
If you would like to silence an incoming call without rejecting it, press the
down arrow on the navigation keypad or the right soft key for Silence.
HOW TO CHANGE THE SCREEN BRIGHTNESS
The default screen brightness is set to the middle setting. This will allow you to
get the maximum possible out of your battery.

To change this setting Select Menu> Phone settings > Display > Misc
settings > LCD Backlight
Important Note:
Increasing the brightness of the screen will have an
effect on the battery power consumption
answer the call
or Reject to end the call.