Undo or redo changes in Pages on iPad
You can undo recent changes you make to a document, then redo them if you change your mind.
Do any of the following:
Undo the last action: Tap . Tap multiple times to undo all your recent actions. You can also use a three-finger swipe to the left to undo an action.
Redo the last action: Touch and hold , then tap Redo. Perform these steps multiple times to redo all your recent actions. You can also use a three-finger swipe to the right to redo an action.
If you want to delete all the changes you made since you opened a document, you can restore the document to its state when you opened it.