In order to hard reset a Enol E 400s, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Enol E 400s device will be brought back to the default configuration of a brand new device.
1. Press and hold the Power button to turn off the phone.
2. Open Menu > Settings > Reset > Master Reset.
3. Confirm by selecting Yes. Tap in the security code 1234 in order to begin the hard reset.