In order to hard reset a ZTE A99, you should perform the following steps.

Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
ZTE A99 device will be brought back to the default configuration of a brand new device.


1. Power off the device.

2. Now open the dialer. Type in this code: *983*22387#.
3. Lastly, confirm the Factory Rest by selecting Yes.
4. Well done, you have completed the hard reset.