Deleted clock accidentally.
How do I reinstall the Clock on iPhone?
iPhone SE, iOS 16
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How do I reinstall the Clock on iPhone?
iPhone SE, iOS 16
Apps can be removed from the Home Screen without being deleted. Go to the App Library (swipe left past your last home screen). From there you can touch and hold an app and slide it left back to the home screen.
Also note the Search window at the top of the App Library.
If it was deleted, see the following from Delete built-in Apple apps from your iPhone, iPad, or Apple Watch - Apple Support
Restore a built-in app that you deleted
Apps can be removed from the Home Screen without being deleted. Go to the App Library (swipe left past your last home screen). From there you can touch and hold an app and slide it left back to the home screen.
Also note the Search window at the top of the App Library.
If it was deleted, see the following from Delete built-in Apple apps from your iPhone, iPad, or Apple Watch - Apple Support
Restore a built-in app that you deleted
Deleted clock accidentally.