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 NUU Mobile A3. Find out the way to remove all personal data, customized settings and installed apps from NUU Mobile A3.
As a result your Android 6.0 Marshmallow will run faster, you will be able to use the entire 8000 MB storage and Li-Ion 2000.0 mAh battery will work longer. Let's restore defaults in NUU Mobile A3 and enjoy using your phone as it comes from the manufacturer.