Getting started9The microphone at the top of the device is active only when you use the speakerphone ortake videos.• Do not cover the antenna area with your hands or other objects. This may causeconnectivity problems or drain the battery.• Do not use a screen protector. This causes sensor malfunctions.• Do not allow water to contact the touch screen. The touch screen may malfunctionin humid conditions or when exposed to water.ButtonsButton FunctionPower• Press and hold to turn the device on or off.• Press and hold for 8-10 seconds to reset the device if it hasfatal errors or hang-ups, or freezes.• Press to lock or unlock the device. The device goes into lockmode when the touch screen turns off.Menu • Tap to open a list of options available for the current screen.• Tap and hold on the Home screen to launch Google search.Home• Press to return to the Home screen.• Press and hold to open the list of recent applications.• Press twice to launch S Voice.Back • Tap to return to the previous screen.• Tap and hold to activate or deactivate Multi Window.Volume • Press to adjust the device volume.