In order to hard reset a dopod 830, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
dopod 830 device will be brought back to the default configuration of a brand new device.
4. Hold the softkeys and follow the instructions that appear on-screen. Let go of them after the "Press Send to restore factory default, other key to quit" message appears on-screen.