81Chapter 17 . Settings
Back up your data
On the Home screen, tap 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. On the Home screen, tap 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
On the Home screen, tap 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. On the Home screen, tap 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. 21 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.
Local updates
1. Go to http://www.neffos.com/en/support and find your phone model; then download the updates
package under Firmware to your phone. You can also go to your nearest Neffos service center
to download the updates package to your phone (It is recommended to use OTA updates and
sometimes the updates package will not be placed on the website).
2. Ensure that your phone has at least 30% battery power remaining.
3. On the Home screen, tap Settings > System update > > Local updates, tap the file and
then tap OK to confirm update. During the update process, please do not turn off or restart the
phone manually. After updating, your phone will restart automatically.
Check version
On the Home screen, tap Settings > System update > > current to check your phone’s version
number.
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