Func Button for Mi Band 2 is a powerful app that can allow you to configure a function on a single, double and triple tap of a button. You can also set a function on a gesture of your wrist rotation.

As well as that, you can configure the number of presses, and the response will be in the form of a vibration.

Also, you can find a warning about the current version of the app that could work only on some Android versions.

After that, you can choose to turn off the power saving on the phone or to restart the phone.

And if you do not see the purchase, you will need to turn off the power saving and restart your device.