Understanding Your Phone 312. Scroll to the bottom of the display and tap Unmount SDcard.3. Tap OK.For more information, refer to “Installing the SIM Cardand MicroSD card” on page 1.SD card Available Memory StatusTo view the memory allocation for your external SD card:1. From the Home screen, tap ➔ Settings ➔More ➔ Storage.2. The available memory for Device and SD card displaysunder the Total space and Available space headings.Erasing All Files from the SD cardYou can erase all files from the SD card using the phone.1. Ensure the SD card is mounted. For more information,refer to “Mounting the SD Card” on page 30.1. From the Home screen, tap ➔ Settings ➔More ➔ Storage.2. Tap Format SD card.3. At the Format SD card confirmation prompt, tap FormatSD card.Warning! Performing the next step erases all data stored on theSD card.4. Tap Erase everything to format or press to cancel.Entering TextThis section describes how to select the desired text inputmethod when entering characters into your phone.Your phone comes equipped with an orientation detector thatcan tell if the phone is being held in an upright (Portrait) orsideways (Landscape) orientation. This is useful whenentering text.Text Input MethodsThere are three text input methods available:• Samsung keyboard (default): Samsung’s on-screen QWERTYkeypad that can be used in both portrait and landscapeorientation.• Google Voice typing: allows you to enter text by speaking.To change the input method, see “Keyboards and InputMethods” on page 105.