Operation Manual

79Chapter 17 . Settings
17. 21 Date and time
Go to Settings -> More general settings -> Date & time.
• Automatic date & time: Turn on the switch to use network-provided time. You can also switch it off to
manually adjust the date and time by tapping Set date and Set time.
• Automatic time zone: Turn on the switch to use the network-provided time zone. You can also turn off the
switch to manually adjust the time zone by tapping Select time zone.
• Date format: Toggle the Use 24-hour format switch to enable or disable 24-hour format.
• Week starts on: Tap Week starts on and choose the day when a week starts on as desired.
17. 22 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.
Back up your data
Go to Settings -> More general settings -> Backup, and switch on Back up to Google Drive. Then data of
your device will regularly being saved to the Google server, including apps and apps data, call history, contacts,
SMS, and device settings (including WLAN passwords and permission).
Reset network settings
1. Go to Settings -> More general settings -> Reset -> Network settings reset.
2. 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/password first to continue.
Reset app preferences
Go to Settings -> More general settings -> Reset -> Reset app preferences, and tap RESET APPS.
Reset factory data
Restore your phone to factory settings if it crashes or is slow to respond.
1. Back up important data on your phone before you reset your phone to factory settings. See Back up your
data.
2. Go to Settings -> More general settings -> Reset -> Factory data reset.
3. Tap FACTORY DATA RESET. If you have set a screen lock, you will need to confirm your pattern/PIN/
password first so as to continue. Then your phone will restart automatically when the process is complete.
17. 23 System update
Over-the-Air updates (OTA updates)
1. To use OTA updates, you need to connect the mobile network or WLAN network, and ensure that your
phone has at least 30% battery power remaining.
2. Go to Settings -> System update. Your phone will automatically check for updates.
3. If it turns out to be the latest version for your system, you have no need to update; if a new system version
displays on the screen, follow the onscreen instructions to update your system.