In order to hard reset a GFive W6000, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
GFive W6000 device will be brought back to the default configuration of a brand new device.
1. Press-hold the Power button until the phone turns on.
2. Tap in the secred code *#7370#
3. Now enter the lock code, 12345 by default.
4. Wait for the hard reset to complete. Done!