In order to hard reset a Fly IQ4501 Evo Energie 4, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Fly IQ4501 Evo Energie 4 device will be brought back to the default configuration of a brand new device.
1. Make sure that the phone is turned on.
2. Press and hold the Volume Down + Power buttons.
3. Release them when a new menu opens on-screen.
4. Select Clear Storage using Volume and Power buttons.