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Backup account: Set the Google account that the data is
backed up to.
Automatic restore: Restore previously backed up settings
and data when you reinstall an app.
Network settings reset: Reset all network settings
including Wi-Fi, mobile data and Bluetooth.
Factory data reset: Reset your phone to factory default
settings. All your data in the internal storage will be erased
during the process.
System
Date & Time
Press the Home key > Settings > All settings > Date & time
to set date, time, time zone, time format and more. See Setting
the Date and Time.
Updates
Press the Home key > Settings > All settings > Updates to
check, download and install system updates.
Accessibility
Press the Home key > Settings > All settings > Accessibility
to configure accessibility plug-ins and services on your phone,
such as using Color inversion or Large text for users with
sight problems.