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Hi Guys there's a game on PS3 I'm trying to understand how to inject jfif files that exceed the original size. I am already able to replace existing jfif files by simply making them the same length (if smaller zero the file out till it reaches the same length as the original) its a similar process to this YT video. https://www.youtube.com/watch?v=lZQKq52dyMA However I'm looking to exceed the original jfif file size, is there any particular way I need to do this? Is it likely to involve having to recalculate some type of checksum or perhaps there's an offset in SYS-DATA file I'm referring to that indicates where a jfif starts and ends maybe.
