@chronoss from modconsoles.fr has released an all in one package for those of you wanting to downgrade and install CFW on your PS3, it has all the files you need and makes it much easier for the end user:

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Download from the source here

View The Thread Here https://playstationhax.xyz/archive/forums/topic/4100-ps3-aio-installation-package-for-ps3xploit/