Basics12Key FunctionApp shortcutspanel• Press and hold to display the app shortcuts panel.• Press in a text field to open the symbols panel.Silent mode• Press and hold on the Home screen to switch to silentmode.• Press in a text field to switch between text input modes.Volume • Press to adjust the device volume.BatteryInstalling the battery1 Remove the back cover.Be careful not to damage your fingernails when you remove the back cover.Do not bend or twist the back cover excessively. Doing so may damage the cover.