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 WIKO Rainbow Jam 4G. Find out the way to remove all personal data, customized settings and installed apps from WIKO Rainbow Jam 4G.
As a result your Android 5.1 Lollipop will run faster, you will be able to use the entire 8000 MB storage and Li-Polymer 2500.0 mAh battery will work longer. Let's restore defaults in WIKO Rainbow Jam 4G and enjoy using your phone as it comes from the manufacturer.
hard reset wiko rainbow jam - video