im trying to retrieve my notes app on my iphone

Where were the Notes? See the pic below. You will get your answer

The recently deleted folder will exist only if you deleted Notes from iCloud or from the "On My Phone" Folder. Deletion from other Folders does not use Recently Deleted Sub-Folder.

Malemily46 Said:

"im trying to retrieve my notes app on my iphone: My notes app on my iPhone got deleted an I’d like to get it back. I have a lot of information I really need stored in there. Help"

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Reset the Home Screen Layout:

If widgets are not working as they should or have gone missing somehow, then you need to reset the Home Screen Layout...

Go Here: Move and Organize Apps on iPhone - Apple Support. You'd have to add back all the widgets that you can recall being back on there. So, write down what is currently on the Home Screen.

Scroll to: Reset the Home Screen and Apps to their Original Layout

1. Go to: Settings
2. Tap: General
3. Tap: Reset
4. Tap: Reset Home Screen Layout
5. Then... Add the apps back

Check for it under the App Library. Next to the last page of the Home Screen. If it is in the App Library Touch, Hold and Drag the icon to Home Screen. That's it.

Or download the same from the App Store.