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5 votes c/freepost Posted by ComicSans — 5 votes, 4 commentsSource

but what exactly does it do?

Y u no read?

It breaks the copy protection and allows you to run unsigned code as well as region locked content on an original PlayStation 1 system.

I did read, but didn’t understand at first. Thanks for the clarification.

https://m.youtube.com/watch?v=8ci2wltLchc