In order to hard reset a Kyocera S1600, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Kyocera S1600 device will be brought back to the default configuration of a brand new device.
1. Hold down the Power button in order to turn on the phone.
2. When on the Home screen, press OK and enter Settings > Reset/Delete.
3. Type in your lock code.
4. Select either Reset Settings or Reset phone.
5. Woohoo, hard reset process is complete. Grats.