Browse the Internet with the built-in browser.

Select the ''Website'' option, when the browser pops-up press and hold the (START) button and press the (A) 10 times(both at the same time), after you do this the full version of PSO becomes unlocked, but you will have to do it each time you want to use it. After you unlock it use the following commands:

URL Input: Hold X and press A (on the lower bar)
Save a Pic: Hold X and press A (on the picture)
View History: Hold X and press Y
Bookmarks: Hold X and press B