In order to hard reset a ZTE Racer, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
ZTE Racer device will be brought back to the default configuration of a brand new device.
1. Turn off the phone.
2. Press and hold these buttons simultaneously: Volume Up + Power.
3. Select Wipe Data/Factory Reset using Volume buttons to scroll and Power button to confirm.
4. Select Yes and then Reboot System Now.