In order to hard reset a Fly Cirrus 11 FS517, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Fly Cirrus 11 FS517 device will be brought back to the default configuration of a brand new device.
1. Switch off the smartphone by pressing and holding the Power button.
2. Press & hold the Volume Down & Power buttons until the Boot Mode appears on-screen.
3. Release Power when the Fly logo appears. Release volume Down after Recovery Mode appears.
4. Use Volume and Power buttons to navigate to and select the wipe data/factory reset option.
5. Using Power and Volume buttons, select Yes to confirm.
6. Complete the process by selecting reboot system now. Voila!