In order to hard reset a BlackBerry Porsche Design P'9983, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
BlackBerry Porsche Design P'9983 device will be brought back to the default configuration of a brand new device.
1. Turn on the phone by pressing the Power button.
2. Select Settings > Security and Privacy > Security Wipe.
4. Oblige when asked to type "blackberry" in.
5. Select the Delete Data option, which will intiate the security wipe. That's it.