In order to hard reset a Beetel GD777, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Beetel GD777 device will be brought back to the default configuration of a brand new device.
1. Power down the device.
2. Now press'n'hold the Menu+ Volume + Power buttons.
3. Follow the on-screen instructions.