Set up your mobile phone for internet
Turn data roaming on or off
Restart mobile phone
Change screen brightness
Turn silent mode on or off
If your mobile phone gets slow or doesn't work as it usually does, it may help to restore the factory default settings. All configurations you've made on your mobile phone are deleted.
Find "Factory data reset"
Tap Additional Settings.
Tap Back up and reset.
Tap Factory data reset.
Restore factory default settings
Tap Erase All Content and Settings.
Tap Delete Data.
Tap Delete Data. Wait a moment while the factory default settings are restored. Follow the instructions on the screen to set up your mobile phone and prepare it for use.
Tap anywhere to dismiss
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