In order to hard reset a Haier V100, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Haier V100 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.
3. The device will now reset and restart, thus completing the hard reset process. Yay.