Samsung Galaxy s4 Active Hard Reset

This method is performed only when you do not have access to your phone menus. Basically, it is performed when your phone doesn’t start up properly.
1. With the device powered off, press and hold both Volume buttons, then press and hold Power.
2. Hold all three buttons until you see the screen come on.
3. From the recovery screen, use the Volume Down button to toggle the selection to wipe data / factory reset.
4. Press the Home button to select the highlighted option.