Basics20Formatting the memory cardA memory card formatted on a computer may not be compatible with the device. Format thememory card on the device.On the Home screen, tap Apps → Settings → Device maintenance → Storage → →Storage settings → SD card → Format → FORMAT.Before formatting the memory card, remember to make backup copies of allimportant data stored in the memory card. The manufacturer’s warranty does notcover loss of data resulting from user actions.Turning the device on and offPress and hold the Power key for a few seconds to turn on the device.When you turn on your device for the first time or after performing a data reset, follow the on-screen instructions to set up your device.To turn off the device, press and hold the Power key, and then tap Power off.Follow all posted warnings and directions from authorized personnel in areas wherethe use of wireless devices is restricted, such as airplanes and hospitals.Restarting the deviceIf your device is frozen and unresponsive, press and hold the Power key and the VolumeDown key simultaneously for more than seven seconds to restart it.Power keyVolume Down key