Let’s say you are in Notes app typing non-stop and all of sudden you found you’ve made a mistake and deleted something you don’t want to delete but couldn’t pick up your mind to remember what you typed, and now you are wondering how you can undo what you did, just like what we do in Word.
Now, let’s just firmly hold your device and shake it. I am not joking. Just shake your it and you will get a popup like below. Tap undo, and bang.
