In order to hard reset a Haier Z3000, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Haier Z3000 device will be brought back to the default configuration of a brand new device.
1. Power up the device by press-holding the Power button.
2. Now open Settings and select Restore Factory Settings.
2. Press Settings -> Restore factory settings.
3. The device will now reset and restart, thus completing the hard reset process. Yay.