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 OPPO A3. Find out the way to remove all personal data, customized settings and installed apps from OPPO A3.
As a result your Android 8.1 Oreo will run faster, you will be able to use the entire 128000 MB storage and Li-Polymer 3400.0 mAh battery will work longer. Let's restore defaults in OPPO A3 and enjoy using your phone as it comes from the manufacturer.
Oppo F7 HARD RESET NEW METHOD 2018 . - video