In order to hard reset a Haier K3, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Haier K3 device will be brought back to the default configuration of a brand new device.
1. For starters, power up the phone by pressing the Power button.
2. Open Settings and select the Restore factory settings option
3. Instructions will appear on-screen. Follow them.
4. By the end of the process, your phone will restart and return to its default settings.