Hard Reset SAMSUNG S7390 Galaxy Trend Lite

First method:

1. At first hold down the Power key to switch off your phone.
2. Now press and hold together: Volume Up + Home button + Power button, until you see Samsung logo.
3. Release held keys when Recovery Mode appears on the screen.
4. Then select from menu "wipe data / factory reset" using Volume buttons to navigate andPower button to confirm.
5. Next choose "Yes -- delete all user data" to confirm whole operation.
6. After that select option "reboot system now".
7. Well done!

Second method:

1. Check that your phone is on.
2. From the Main Menu find and select Settings.
3. Tap Privacy and then Factory Data Reset.
4. Afterwards choose Reset device.
5. To confirm your choice select Erase everything.
6. That's all.

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.