HP g6 2002st Notebook bios request

hi masters

I need a bios Modded bios for unlocked switchable graphics option and other options but my priority target is switchable graphics please help me

here is old bioses for my notebook

http://h10025.www1.hp.com/ewfrf/wc/softw...9&sw_lang=

http://h10025.www1.hp.com/ewfrf/wc/softw...9&sw_lang=

http://h10025.www1.hp.com/ewfrf/wc/softw...9&sw_lang=

latest bios :

http://h10025.www1.hp.com/ewfrf/wc/softw...9&sw_lang=

my notebook HP Pavilion g6-2002st