How do you clear internet history on a psp?

If the history is saved on a memory card 1st select internet Browser under The Network Icon In your home screen .If ther is a white screen just press the tryangle button.Then go up to the address bar and press x.If you have stored history the first button at the top will say history if it does not then you have no history stored.If it does here is how to remove it.Press the circle button and yes to exit text entry.Go down to the buttions at the bottom of the screen.Click on the toolbox next to the big A.Click on delete input history and all your saved history on that memory card will be gone.And your done.It's that easy :)