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or    to pause or stop. 
  Z-POP: While Z-POP is on, a floating bubble appears on 
the edge of the screen. You can drag the bubble to reveal 
navigation operations. Touch Custom button to customize 
the default and expanded buttons. 
  Gesture & motion: You can control the phone with special 
finger gestures or by moving the phone in different ways. 
Touch the switches to enable each function; touch each 
function to view how to use it or try it out. 
  NOTE: 
The use of phone cover/case may stop certain functions 
from working. 
Battery 
Open Settings and touch Battery to view the battery level, 
check what has been using the battery, enable different battery 
saving modes, or optimise apps automatically to improve 
battery life. 
Display 
Open Settings and touch Display to configure the display 
options, including brightness level, Night Light, wallpaper, 
screen sleep time, auto-rotate screen, font size, etc.