These are Nokia S60 WEB Browser shortcut keys
Press 1 to open your bookmarks.
Press 2 to search for keywords in the current page.
Press 3 to return to the previous page.
Press 5 to list all open windows.
Press 8 to show the page overview of the current page.
Press 8 again to zoom in and view the desired section of the page.
Press 9 to enter a new web address.
Press 0 to go to the start page.
Press * or # to zoom the page in or out.