This section takes you through the steps to disable the Shake to Undo feature on your iPad, iPhone or iPod Touch, with pictures of the screen to help.
1. Tap the Settings icon to open the Settings app. Tap General, then Accessibility.
2. Scroll down to the Interaction section and tap Shake to Undo.
3. Tap the toggle switch next to Shake to Undo to turn the feature off. It should turn from green to white. Press the Home button to return to the Home screen, or swipe up from the bottom of the screen on devices without a physical Home button.