17 
Setting Up the First Time 
When powering on the phone after purchase or resetting it to 
factory settings, you must set some settings before using it. 
For more information about resetting to factory settings, see 
Backup and Reset, 
Touch language to select the language. Follow the prompts 
to set up Wi-Fi, Google account, Google location, and other 
options. 
Locking and Unlocking the Screen and 
Buttons 
To quickly lock the screen and buttons when not in use and 
to turn the screen back on and unlock it when you need it, put 
the phone in sleep mode.   
To lock the screen and keys, press the Power button. 
  NOTE: To save battery power, the phone automatically 
turns off the screen after inactivity. You can still 
receive messages and calls when the phone 
screen is off. 
To unlock the screen and keys: 
1.  Press the Power button to turn the screen on. 
- or - 
Touch a notification twice to open the related app.