In order to hard reset a Digicel Coral 300, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Digicel Coral 300 device will be brought back to the default configuration of a brand new device.
1. Turn on the device.
2. Open Menu > Settings > SD Card & Phone Storage > Factory Data Reset.
3. Continue by selecting Reset Phone. Press OK to confirm.
4. Voila!