Tools and Calendar 131To back up information to your Google account:1. Press and tap > Settings > General.2. Tap Backup and reset > 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.To back up your Microsoft Exchange ActiveSync information:1. Press and tap > Settings > General.2. Tap Accounts, and then 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, pleaseremove it from your phone prior to starting the update process.Update your Phone1. Press and tap > Settings > General.2. Tap System Update to use these options: Update: Check for updates, and update your phone’s software. Auto update: When enabled, your phone will automatically check for updates,regardless of the type of network connection (wireless or Wi-Fi). Wi-Fi only: When enabled, your phone will only check for updates when it isconnected to a Wi-Fi network. Update PRL: Download and the latest Preferred Roaming List (PRL), used by yourphone to access the network. Update Profile: Update the user profile related to your wireless service account. Ifyou choose to change your user name online, use this option to update the username on your phone. UICC Unlock: Unlock your device’s Universal Integrated Circuit Card.