Locking and unlocking the screen
Press the power button to 
lock the screen. After your 
phone is idle for a specified 
period of time, its screen 
automatically locks. 
If the screen is off, press the 
p
ower button to turn it on. 
Slide your finger in any 
direction to unlock the 
screen. 
Flick up from the bottom of 
the screen to quickly launch 
commonly used applications 
without unlocking the screen.