190– Screen output: Lower the screen power level.– Turn off touch key light: Turn off the light for the touch keys.– Turn off GPS: Turn off GPS and disable location services.3. Touch Ultra power saving mode to save power byhaving the device display a simple home screen andaccess to a limited number of apps. Batterypercentage and estimated battery time left are shownat the bottom of the screen.– Touch the ON/OFF button at the top of the screen to turn Ultrapower saving mode on.– Touch More options ➔ Turn off Ultra power savingmode to turn the feature off.4. Touch More options ➔ Help to learn more about thepower saving modes.StorageFrom this menu you can view the memory allocation for thememory card and mount or unmount the SD card.Device MemoryTo view the memory allocation for your device: From the Settings screen, touch Storage.The Device memory displays as Total space,System memory, Used space, Cached data,Miscellaneous files, and Available space.SD CardOnce a memory card has been installed in your device,the SD card memory displays as Total space andAvailable space.Mounting an SD Card1. Install an SD card. For more information, refer to“Installing the SIM and MicroSD Cards” on page 8.2. From the Settings screen, touch Storage.3. Touch Mount SD card.