Hard reset Koolnee Rainbow

OS: OS Version: Android 8.1 Oreo

CPU: Quad-Core 1.3GHz ARM Cortex-A7

RAM: 1GB

Display: 5.0 inches HD

Camera: 8 Megapixels

Battery: 2,400mAh Lithium-Polymer

For Hard reset Koolnee Rainbow use following steps

1. Turn off your smartphone using the power button

2. Hold down the Volume Up and Power buttons for a short time

3. When the KOOLNEE logo appears on the screen, the keys can be released

4. In the menu, go to the line "wipe data / factory reset", the Volume Up / Down keys are used to navigate the menu, and the Power key to confirm the choice made

5. Go to the "yes" menu item and confirm your selection by pressing the Power button

6. We are interested in the menu item "reboot system now"

7. Hard Reset procedure completed

Thomas Nilan
Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.