In order to hard reset a Motorola C450, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Motorola C450 device will be brought back to the default configuration of a brand new device.
1. Power up the phone, press Menu button and then Settings.
2. Continue to Advanced and Reset Defaults.
3. Now select Reset Settings.
4. When asked to, enter the phone's security code (000000 by default). Press Ok.
5. Message will appear. Read it and select Yes. Done.