Tools and Calendar 121Update Your PhoneFrom time to time, updates may become available for your phone. Use System update optionsto update your phone’s internal software.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 Information to Your Google Account1. Press and tap > Settings > Accounts > Backup and reset.2. Tap Back up my data to turn on the feature (checkmark). Tap Backup account to choose or sign in to a Google Account to use for backups. Tap Automatic restore if you want information saved to the Google Account aboveto be restored when you reinstall apps, such as after a firmware update, or whensetting up a new device.Back Up Your Microsoft Exchange ActiveSync Information1. Press and tap > Settings.2. Tap Accounts, and then tap your Microsoft Exchange ActiveSync account.3. Tap Sync all.Preserve Data on an Optional Installed Memory CardAs an added precaution, to preserve any data on an optional installed memory card (notincluded), please remove it from your phone prior to starting the update process.Update Your Phone1. Press and tap > Settings > More tab.2. Tap System Update to use these options: Update: Manually check for software update. Auto update: Check for updates automatically. Wi-Fi only: Download software updates only when connected via Wi-Fi. Update PRL: Download and the latest Preferred Roaming List (PRL), used by yourphone to access the network.
