• Grayscale mode: Tap the ON/OFF switch to switch from color screens to grayscale. Ultra power saving mode: Tap the ON/OFF switch to turn the mode on. When on, yourphone will conserve power by changing to grayscale screen mode, limiting the number ofusable apps, turning off mobile data when the screen is off, and turning off connectivityfeatures such as Wi-Fi and Bluetooth.Storage SettingsManage the use of memory resources in your phone’s Device memory, and on an optional installedmemory card (not included).1. From home, tap Apps > Settings.2. Tap Storage to view information about memory usage, and for other options: Device memory: View memory usage for the different types of information stored on yourphone’s memory. Tap an item for more information. SD card: View memory usage for the different types of information stored on an optionalinstalled memory card (not included).• Mount SD card: Prepare an optional installed memory card for use as storage in thephone. This option is only available if an optional memory card is installed, and is notalready mounted. Usually, your phone mounts a memory card as soon as you install it.• Unmount SD card: Prepare an optional installed memory card for safe removal orformatting.• Format SD card: Permanently remove all content from an optional installed memorycard. After formatting, the content cannot be retrieved.Security SettingsConfigure options for securing information on your phone.EncryptionYou can encrypt accounts, settings, downloaded apps and their data, media, and other files. Afterencryption, you must enter the PIN or password you set each time you turn on your phone. You can alsoencrypt information stored on an optional installed memory card (not included).Encryption may take an hour or more to complete. Start with a charged battery, and keep the device onthe charger until encryption is complete. Interrupting the encryption process may result in the loss ofsome or all data.1. From home, tap Apps > Settings.2. Tap Security, and then tap an option:Settings 172
