Basic Operations 61The screen is unlocked.l If you have set up a screen lock, you will be prompted to draw a pattern, enter a password orPIN, or scan your fingerprint. See Screen Lock.Update Your PhoneFrom time to time, updates may become available for your phone. You can download and applyupdates through the Settings > System Update menu.Software Update CautionsDuring update: The phone cannot be used until the software update is complete. It may taketime to update your phone’s software.Signal during update: Update your phone where signal reception is good, and do not changelocation during the update process. Make sure the battery is adequately charged beforebeginning an update. A weak signal or low battery during an update may cause the update to fail.An update failure may disable the phone.Other functions during update: Other phone functions cannot be used during a softwareupdate.Update Your Phone SoftwareYou can update your phone's software using the System Update option.Before Updating Your PhoneUpdating your phone may result in a loss of saved data depending on the condition of your phone(malfunctioning, damaged, water seepage, etc.). You must back up all critical information beforeupdating your phone firmware.Back Up All Data Prior to UpdateTo back up your Gmail information:1. From home, tap Apps > Settings > Accounts > Google > [your account].2. Tap ON/OFF to enable backup of each item.3. Tap More > Sync now to sync your Google Account information.To back up your Exchange Mail information:1. From home, tap Apps > Settings > Accounts > Microsoft ExchangeActiveSync.2. Tap ON/OFF to enable backup of each option (Calendar, Contacts, Email, Tasks).3. Tap More > Sync now to sync your Microsoft Exchange ActiveSync information.
