Android phones have no limit on how much customization we can do, even if it is not available by default. This is one of the main advantages of Android.
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You can also tap on the back of your phone to do different things. Here you will learn how to enable back tap actions on any Android phone.
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This is one of the useful features and even some OEMs have included it as a feature on their devices. But it is not available on all devices.
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Third Party apps play an important role in bringing many features on Android Phones. There is also an app that can enable the back tap actions.
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Download and Install the Tap Tap application on your phone. You can use the given link to get the APK.