To Warm Boot the Motorola MC2100:
- Press and hold the Power Button for 5 seconds.
- Release the Power Button.
To Cold Boot the Motorola MC2100:
- Press the Power Button to bring up the Menu.
- Select the Safe Battery Swap option.
- Wait for the LED indicator to turn Red, and then turn off.
- Press and then release the Power Button, 1 key, and 9 key at the same time.
- The Motorola Splash screen will appear.