In order to hard reset a Celkon C509, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Celkon C509 device will be brought back to the default configuration of a brand new device.
1. Press Power button to turn the phone on.
2. Adventure time! Or browse time. Starting from Home screen, enter Menu, Settings, Reset, Master Reset.
3. Complete the process by choosing Yes and typing in this safety code: 1234
4. Yaaay! Cheer, for you have completed the hard reset process. Your device will now reset and restart.