5Table of ContentsGetting started7 Device layout8 Buttons9 Package contents9 Installing the SIM or USIM card andbattery13 Charging the battery15 Inserting a memory card17 Turning the device on and off18 Holding the device18 Locking and unlocking the device18 Adjusting the volume18 Switching to silent mode19 Switching between networksBasics20 Indicator icons21 Using the touch screen24 Control motions25 Notifications26 Quick setting panel26 Home screen29 Locked screen30 Using applications30 Applications screen31 Help32 Entering text34 Connecting to a Wi-Fi network35 Setting up accounts35 Transferring files37 Securing the device38 Upgrading the deviceCommunication39 Phone44 Contacts48 Messaging50 Email51 Google Mail53 Hangouts53 Google+53 Messenger54 ChatONWeb & network55 Internet56 Chrome57 Bluetooth