Tools and Calendar 2352. Scroll down the screen, tap Format SD card > Format SD card > Delete all.Note: The formatting procedure erases all the data on the microSD card, after which the filesCANNOT be retrieved. To prevent the loss of important data, please check the contentsbefore you format the card.Unmount the microSD CardWhen you need to remove the microSD card, you must unmount the microSD card first toprevent corrupting the data stored on it or damaging the microSD card. Since you will removethe battery first before you can remove the microSD card, close all running applications on yourphone and save any data first.1. Press and tap > Settings > Storage.2. Tap Unmount SD card.3. Remove the microSD card. See Remove the microSD Card.Update Your PhoneFrom time to time, updates may become available for your phone. You can download and applyupdates through the Settings > About Phone menu.Update Your Phone FirmwareUpdate Your Android Operating SystemUpdate Your ProfileUpdate Your PRLUpdate Your Phone FirmwareYou can update your phone's software using the Update Firmware option.Before Updating Your FirmwareUpdating your phone firmware will erase all user data from your phone. You must back up allcritical information before updating your phone firmware.Back Up All Data Prior to UpdateTo back up your Gmail information:1. Press and tap > Settings > Google.2. Tap the account name, tap the options you want to back up, and then tap Sync now.To back up your Exchange Mail information:
