In order to hard reset a Fujitsu Stylistic Q555, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Fujitsu Stylistic Q555 device will be brought back to the default configuration of a brand new device.
1.Press-hold the Power button until the phone is on.
2. Open Main Menu.
3. Touch the screen and slide your finger from the top left of the screen to its centre. Service bar will open.
4. Select Settings, Change PC settings and Update and recovery.
5. Select Recovery.
6. Now select Remove everything and reinstall Windows.
7. Connect your phone to the charger.
8. Tap Next when asked to.
9. Wait roughly half an hour for the device to reset and restart.