Resetting to factory settings
- Important: Resetting the mobile phone will delete all saved data and settings. Some problems may be resolved by simply restarting the telephone. Another possible solution is to install a Software-Update.
- Recommended: Save your data using iTunes or iCloud, before resetting your Apple iPhone 4.
- The following steps contain instructions on how to reset your Apple iPhone 4.
- Start screen.
- Choose Settings.
- Scroll down.
- Choose Reset.
- Choose Erase All Content and Settings.
- Choose Erase iPhone.
- All personal settings are removed from the Apple iPhone 4.
- The Apple iPhone 4 will then automatically reboot with the factory settings applied.