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 IRBIS TZ858. Find out the way to remove all personal data, customized settings and installed apps from IRBIS TZ858.
As a result your Android 8.1 Oreo will run faster, you will be able to use the entire 32000 MB storage and Li-Polymer 4000.0 mAh battery will work longer. Let's restore defaults in IRBIS TZ858 and enjoy using your phone as it comes from the manufacturer.