Tap or double tap do undo?

1. Where do you tap for Backtap?
2. What happens when you double tap?
3. Does back tap drain battery?
4. Is Backtap a thing?

Where do you tap for Backtap?

iPhone Back Tap. On the iPhone, this feature is called Back Tap, and it's been around since iOS 14. You'll need to enable it first by going to Settings > Accessibility > Touch and then choosing Back Tap. From there, you can designate a double-tap to do something and a triple-tap to do something.

What happens when you double tap?

“Double tap” is another way to refer to “liking” a post, especially on Instagram, where double tapping an image is the method for “liking” it. Sometimes brands invite followers to “double tap” their post in order to increase engagement.

Does back tap drain battery?

Yes it certainly does drain more power.

Is Backtap a thing?

Back Tap is one of the easiest ways to put an iPhone function you use all the time literally at your fingertips. It is exactly what it sounds like: a way to access different phone features by tapping the back of your phone — kind of like an extra, user-customizable button.