In order to hard reset a Haier M150, you should perform the following steps.

Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Haier M150 device will be brought back to the default configuration of a brand new device.

1. Turn on the phone.
2. Open Settings and select Restore Factory Settings.

3. Done, the hard reset completes as your phone resets and restarts.