In order to hard reset a dopod 310, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
dopod 310 device will be brought back to the default configuration of a brand new device.
1. Press the Power button until the phone turns on.
2. Now press'n'hold the Comm manager and Voice memo buttons.
3. Press the stylus into the small hole on the bottom side of the phone. Hold it there until the device restarts.
4. Message should appear onscreen. Wait for the phone to restart.