1. Press the Power/Lock key to turn the device on or off, or put the display to sleep.
   
2. Press the Volume keys to adjust media or call volume.
   
3. Press the Back key to return to the previous screen.
   
4. Press the Home key to access the home screen. Press and hold the Home key to access Google Now.
   
5. Press the Menu key to access the menu. Press and hold the Menu key to access recently used apps.
   
6. Insert the microUSB cable into the microUSB port to connect to a computer or the wall charger.
   
7. The microSD card slot is located under the back cover of the device on top of the SIM card slot. A microSD card of up to 64 GB can be used.