In order to hard reset a Elephone P8 Mini, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Elephone P8 Mini device will be brought back to the default configuration of a brand new device.
1. Power down the phone by pressing the Power button.
2. Now press'n'hold the Volume Up & Power buttons. Let go of them after a change occurs on the display.
3. Wait for the android logo to appear and press these buttons again.
4. Select the wipe data/factory reset option by navigating with Volume and Power buttons.
5. Now choose Yes.
6. Complete the hard reset process by selecting, again with Power button, reboot system now.