Keys and displayButtons FunctionPower• Press and hold to turn the device on or off.• Press and hold for more than 7 seconds to reset the device if ithas fatal 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 Googleapplication.Home• Press to return to the Home screen.• Press twice to launch S Voice application.• Press and hold to open the list of recent applications.Back • Tap to return to the previous screen.Volume • Press to adjust the device volume.

Samsung SM-T537R4 User Manual