The Hard Reset is also commonly known as factory reset. This tutorial will show you the easiest way to perform a factory reset operation in BLUBOO X9. Find out the way to remove all personal data, customized settings and installed apps from BLUBOO X9.
As a result your Android 5.1 Lollipop will run faster, you will be able to use the entire 16000 MB storage and Li-Polymer 2500.0 mAh battery will work longer. Let's restore defaults in BLUBOO X9 and enjoy using your phone as it comes from the manufacturer.