Lost calendar icon on 4S iPhone My calendar icon accidentally got deleted. How do I recover &amp; restore that icon to my screen.
At least on un-jailbroken phones it is not possible to delete the standard applications, so the icon (and the app) are still on your phone. Try to


Use Spotlight search to search for "Calendar"
Go to Settings -> General -> "Reset" (last option) -> Home Screen to reset the home screen to its factory state