72Chapter 15 . Settings
• Automatic 24-hour-format: Turn on the switch to use automatic 24-hour-format of locale default
time.
• Use 24-hour format: Turn on the switch to enable 24-hour format.
15. 21 Backup and reset
Backups help ensure that you never lose your data. You can back up app data, WLAN passwords
and other settings to Google servers. Restore your phone to its factory settings if it crashes or is
slow to respond.
Backup your data
1. On the Home screen, tap Settings > System > Backup and switch on Back up to Google
Drive.
2. Select an account and follow the onscreen instruction to complete the backup.
Reset network settings
1. On the Home screen, tap Settings > System > Reset options > Reset WLAN, mobile &
Bluetooth.
2. Tap to select a SIM card.
3. Tap RESET SETTINGS to reset all network settings including WLAN, mobile data and Bluetooth
settings. If you have set a screen lock, you will need to confirm your pattern, PIN, or password
first so as to continue.
Reset app preferences
On the Home screen, tap Settings > System > Reset options > Reset app preferences and
follow the onscreen instructions to reset app preferences.
Reset factory settings
Restore your phone to its factory settings if it crashes or is slow to respond. Restoring factory
settings will erase all personal data from your phone’s internal storage, including your Google
account, system and app data and settings, downloaded apps, music, photos and other user data.
Back up important data on your phone before restoring factory settings.For more information
about data backup, see Backup your data.
On the Home screen, tap Settings > System > Reset options > Erase all data (factory reset)
> RESET PHONE to restore your phone to factory settings. Your phone will restart automatically
when the process is complete. If you have set a screen lock, you will need to confirm your pattern,
PIN, or password first so as to continue.
15. 22 Multiple users
Create multiple user accounts to prevent others from viewing your confidential information, or to
keep your work and personal life separate.
User types
Your phone supports user types as follows:
• Owner: Only the owner can log in to this account. As the owner, you can control all user
permissions. For example, you can add or delete users, or authorize other users calling and
messaging permissions. You can tap You (Owner) to change your username and tap to choose
a profile picture from your Gallery or take a photo and use it as your profile picture.
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