need advanced menu unlock for HP Pavilion DV6 6b03er
https://ftp.hp.com/pub/softpaq/sp55001-55500/sp55375.exe >>>> oldest ı can find
https://ftp.hp.com/pub/softpaq/sp57001-57500/sp57474.exe
https://ftp.hp.com/pub/softpaq/sp58501-59000/sp58987.exe
https://ftp.hp.com/pub/softpaq/sp59501-60000/sp59755.exe >>>> newer one
also latest ones are sp6