In order to hard reset a Samsung U960 Rogue, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Samsung U960 Rogue device will be brought back to the default configuration of a brand new device.
1. Enter Menu > Settings> Phone Settings > Security.
2. Tap in the phone's lock code, which is the last four digits of the phone's number.
3. Lastly, select Restore Phone and Yes. Done!