Who I have the same questioned this topic

Just the clearify the question, The correct phrase is Recovery Mode instead of Safe Mode.  Heres the steps if you require theme,,,

Power Device Off First.....

1. Hold Home Button and press power

2. Screen will show a Android with a triangle with astrick

3. Let Go of Home Button and Power

4. Press Search Button (Far Right Button)

5. A blue menu will show at top of page, scroll to Format Device

6. Select Yes to verify

7. Allow format to complete (Information at bottom of page will go through a few steps)

8. Once Format is complete Blue Menu will show at top again, select Reboot

Note: Use volume up and down to select opinion and use camera button as Enter,,,