When you restore the factory default settings, all personal settings are reset. Follow these instructions to restore the factory default settings.
Just so you know...
Please select the red text to see instructional images.
Select one of the following options:
Restore settings only, go to 2a.
Restore settings and data, go to 2b.
2a - Restore settings only
Press Reset All Settings.
Your device is restarted.
If you select Reset All Settings, all device settings are reset but contacts, audio files, video clips and appointments aren't affected.
2b - Restore settings and data
Press Erase All Content and Settings.
Press Erase to confirm.
If you select Erase All Content and Settings, settings, contacts, audio files, video clips and appointments are deleted. When you've restored settings and data, you need to reactivate your device. Click here for information on how to activate your device.