In order to hard reset a Bleu 651Z, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Bleu 651Z device will be brought back to the default configuration of a brand new device.
1. Turn on the phone.
2. Open Settings and select Restore Settings.
3. Enter the 1122 (by default) security password.
4. Done.