Psp flash player?

how do i enable flash player in my psp slim? im not dumb, but there is NO ENABLE FLASH PLAYER option under the system settings so dont give me a **** of links of step-by-step tutorials. i have 3.71 official firmware. i tried restoring it to default settings but the option didnt appear. i bought this on bestbuy. although it has the ENABLE WMA PLAYBACK option. anyone care to help?