Tools and Calendar 114System UpdatesFrom time to time, updates may become available for your phone. Use System update options to updateyour phone’s internal software.Before Updating Your FirmwareUpdating your phone firmware will erase all user data from your phone. You must back up all criticalinformation before updating your phone firmware.To back up information to your Google Account:1. From home, tap Apps > Settings > ACCOUNTS tab > Backup and reset.2. Tap Back up my data to turn on the feature. 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 above to berestored when you reinstall apps, such as after a firmware update, or when setting up a newdevice.To back up your Microsoft Exchange ActiveSync information:1. From home, tap Apps > Settings > ACCOUNTS tab.2. Tap your Microsoft Exchange ActiveSync account.3. Tap SYNC ALL.To preserve data on an optional installed memory card:As an added precaution, to preserve any data on an optional installed microSD card, please remove itfrom your phone prior to starting the update process. See Remove a microSD Card.