How To Undo On iPhone (Or Redo) — Give Your Device A Shake

We show you how to undo on iPhone using the shake to undo feature to quickly revert your last action -- it's enabled by default (give it a try, it works just like Ctrl+Z on your Windows PC). You can also disable the function if you wish in your device settings.


Sometimes, you just need to go back. In spite of the many things that the iPhone’s touch interface is exceptional for, holding down the backspace key on the virtual keyboard to delete letters one at a time is not one of them. We’ll show you how to undo on iPhone in a way that’s quick and easy.

Fortunately, the software engineers at Apple have come up with an ingenious solution that allows you to quickly and easily undo on your iPhone — just give your device a quick shake. Shake to Undo will save you time and frustration by allowing you to undo the clip of text what you just wrote, giving you fresh slate. And it’s an intuitive action that’s easy to remember in the future. In this guide we’ll cover:

  • How To Undo on iPhone using Shake To Undo
  • How to Shake to Redo text
  • How to turn off Shake to Undo

How To Undo on iPhone using Shake To Undo

Shake to Undo works generally with any iPhone application in which you enter text with the keyboard. There are also other apps that mimic the behavior with actions such as placing an image in a document for example, but undoing text input is the universal and most useful application of the feature. Here is an example of how it works with the built-in Notes application:

  1. Type something using the virtual keyboard, voice-to-text, or pasting.
  2. Physically shake your device.
  3. Tap Undo.


(Click for magnified view.)

It also works with text that you’ve pasted in — it will clear the text back to the point right before the last change you made, so whether you are trying to figure out how to undo something that pasted in, entered in a string of text, or corrected as a spelling mistake using autocorrect, it will take you back to right before that action. After the first undo, you can continue to shake to undo multiple times.

How to use Shake to Redo on iPhone and iPad

Just as you can shake to undo, you can also shake to redo entering text that you’ve deleted accidentally.

  1. Type something using the virtual keyboard, voice-to-text, or pasting.
  2. Physically shake your device.
  3. Tap Undo.


(Click for magnified view.)

  1. Physically shake your device.
  2. Tap Redo Typing.


(Click for magnified view.)
You can also keep shaking your iPhone to redo text multiple times if you need.

How to Disable Shake to Undo on iPhone and iPad

You can disable shake to undo in your device’s settings if you prefer not to use the feature.

  1. Open the Settings ⚙ app on your iPhone or iPad.
  2. Find and tap on General settings.
  3. Find and tap on Accessibility settings.
  4. Find and tap on Shake to Undo.
  5. Tap the toggle switch so that it switches from backlit green (enabled) to greyed out (disabled).


(Click for magnified view.)

Conclusion: So, How To Undo on iPhone? Shake It Like an Etch-A-Sketch

So that’s it! Simple, right? It’s amazing how many people on our staff, who use IOS devices every day, didn’t know about this feature, but it is an ingenious and intuitive way to undo on a device that you hold in your hand. If you want to know how to undo on other devices, check out the other articles on our site for more information. Happy undo-ing.