Getting started6• Connectivity problems and battery drain may occur in the following situations:‒ If you attach metallic stickers on the antenna area of the device‒ If you attach a device cover made with metallic material to the device‒ If you cover the device’s antenna area with your hands or other objects whileusing certain features, such as calls or the mobile data connection• Do not allow water to contact the touchscreen. The touchscreen maymalfunction in humid conditions or when exposed to water.Hard keysKey FunctionSide key• Press and hold to turn the device on or off.• Press to turn on or lock the screen.• Press twice to launch the app or feature you set.Side key +Volume Downkey• Press simultaneously to capture a screenshot.• Press and hold simultaneously to turn off the device.Setting the Side keySelect an app or feature to launch by pressing the Side key twice.Launch the Settings app, tap Advanced features → Side key, and then select an optionyou want.Soft buttonsBack buttonHome buttonRecents buttonWhen you turn on the screen, the soft buttons will appear at the bottom of the screen.Refer to Navigation bar (soft buttons) for more information.