In order to hard reset a Haier M1200, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Haier M1200 device will be brought back to the default configuration of a brand new device.
1. Turn on the phone by pressing down da Powah button.
2. Now enter Settings and select Restore Factory Settings.
3. Phone will now reset and restart. Congrats.