In order to hard reset a Cube i7 Stylus, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Cube i7 Stylus device will be brought back to the default configuration of a brand new device.
1. Turn on the phone.
2. Select Settings, Change PC settings, Update and recovery.
3. Now select Recovery.
4. Then choose Remove everything and reinstall Windows.
5. Lastly, select Next.