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Restoring factory default settings on my mobile phone
Want to restore the factory default settings on your mobile phone? It's easy, but please note: all data on your mobile phone will be deleted. Data on your SIM isn't deleted.
Tap Apps.
Tap Settings.
Tap Back up and reset.
Tap Factory data reset.
Tap Reset device.
Tap Erase everything.
Wait a moment while the factory default settings are restored.
Follow the instructions on the display to set up your mobile phone and prepare it for use.