(adsbygoogle = window.adsbygoogle || []).push({}); Now after days of screwing around with the ps3's firmware I had an idea to change the warning prompt when the ps3 boots (the epilepsy one).
Now if you extract PS3UPDAT.PUP on OFW 4.41 you get a couple files..
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open up update_files.tar and you'll find a file called 'dev_flash_018.tar.aa.2013_04_19_031009'.
Decrypt that with fwpkg.exe (released by wanikoko + geohot). You now have a file called 'dev_flash_018.tar'
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If you open that up you will see sysconf_plugin.rco in '/vsh/resource/'. Open that rco file with RCOmage and edit etc. like you would CFW.

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Now after editing, save and compile back into sysconf_plugin.rco, and add it back to the dev_flash_018.tar file into '/vsh/resource/'.

Now we have to encrypt 'dev_flash_018.tar' back to 'dev_flash_018.tar.aa.2013_04_19_031009'. Make sure to compile as SCE FWPKG format.

After you encrypt you should get a file looking like this (dev_flash_018.tar.aa.2013_04_19_031009):
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add 'dev_flash_018.tar.aa.2013_04_19_031009' back into 'update_files.tar' and repack the PS3UPDAT.PUP file with the new update_files.tar



NOTE: THIS IS ONLY THEORY BUT I BELIEVE IT WILL WORK

also, dev_flash3 might have a hashing system on the dev_flash tar files... so idk about that.

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(If you want to test/study code)