Everything happens in the background and you don't need to worry about it till you actually need to undo/redo what you wrote. In that case, tap the floating icon and Inputting+ shows up as a pop-up window. Undo and Redo: Tap the Undo or Redo arrows to find the text you had recently typed.
Open Settings ➔ Accessibility ➔ Touch ➔ Shake to Undo - You can turn that ON. Note that it is NOT going to undo the action for any text that is deleted in the text box. It is a general Undo command that works where applicable. Axel F.
To undo a message that you sent, simply swipe down from the top-right corner of the iPhone's screen to bring up Control Center and quickly enable Airplane Mode on most iPhones or iPads.
All you have to do is give the iPhone a shake while the app is still open and the iPhone prompts you to undo the mistake. While the prompt button says "Undo Typing," this button works for accidental deletions, cuts or any other editing you last did in the app.
To access Recently Deleted notes, open your Notes app, and tap "Recently Deleted" from your list of folders. See a note you wish to recover? Tap Edit > select the notes you want to recover > Tap "Move To" > Select a folder to restore the notes to. Phew, your notes are now safe in an active Notes folder!
Click Albums, then select the Recently Deleted album to view its contents. Click Select Photos, then do one of the following: Click Recover All. Select the photos or videos you want to recover, then click Recover.
If the last thing you did in the Finder was to delete a file or files (drag to Trash or select and then File > Empty Trash or Command-Delete), you can select Edit > Undo Move (Command-Z) and the items return to their previous positions.
Restore Deleted Messages on iPhone with iCloud Backup
You can also perform an undo action by swiping your iPhone's screen. To do it, place three fingers on the screen and swipe quickly to the left. You'll see an “Undo” message pop up near the top of your screen, and the last action will be undone.
Locate the scheduled message in the Message Activity. Click Edit and choose View Messages. Locate the message or messages you want to cancel and check the box next to them. Above All Messages, click Cancel to cancel the messages you previously selected.
There is no way to recover them. Notes does not have an undo feature and you have no previous backup to restore from.
If you just deleted the note, a Shake to Undo will bring up an Undo Trash Note option. Tap Undo to recover your note. Otherwise, navigate to the main Folders menu in Notes. Tap Recently Deleted to access deleted notes.
Deleting Messages on Your iPhone. Unlike previous versions of iOS, deleted messages on your iPhone are actually deleted and you should not worry that much as long as you have not created backups of your messages and do not have any other Apple devices.
Immediately recall any messages you accidentally sent In either case, you'll be able to recall those messages when iOS 16 becomes available. With the new feature, you'll press on the text message you want to unsend until a menu pops up. You'll then select Undo Send from the menu.