(adsbygoogle = window.adsbygoogle || []).push({}); I've been following the Guide on the PS3DevWiki site and have gotten as far as dumping both NANDs on a CECHA01.
I'm stuck at this part: "select the file you want to flash to your NAND flash. "
Which file do I use to flash the NANDs?

If anyone is willing to write a complete tutorial for me on the complete downgrading process using Progskeet, which results in a 3.55 installed firmware at the end, I'll be glad to compensate you for your troubles. Monetarily speaking, of course. No sexual favors...

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i heard progskeet specifically is only supposed to be used for 3.70 and below but this thread may prove me wrong
and heres where i found the 3.70 statement You must login or register to view this content.
heres a page i found that may also help but i believe you will have problems with your downgrade.bin hope this helps if it doesnt you CAN flash back to 4.11 through it but 3.55 with one ps3 is useless unless you would just like to install patches and update then it doesnt matter i guess but heres the link You must login or register to view this content.

That's for NOR Flash though