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here is some information, I dont know if it is true or not so dont shoot the messenger. just something else for you to read.
Console Crunch is claiming they have been contacted by a old dev in the scene and he / she shared this information on how to go about making your own cfw 4.21, also go on to say that this is how n0drm was getting the eboot fixes.
Hello ************* i’m a old dev and i have a big news about the CFW 4.21, some people call me a lier and today they use what i was explaining about CEX-DEX, Decrypt Eboot etc… i’m going to reveal some news about the 4.21 CFW
Easy to make a CFW 4.21, first you absolutely need to have a PS3 4.21 DEX for that, that help you to decrypt all the dev_flash and co… also you need to dump the LV2 from the 4.21 DEX (that let you decrypt the 4.21 LV2) and after all you can resign and play with poke and co
Extract the 4.21 CEX pup, decrypt the files with PS3 4.21 DEX, keep the keys safe, make a PUP CFW 4.21 with the new 4.21 files resigned/modifie d, that all…
Hi Mujarrad, already tested a long time ago… this is one of the solution, you can dump the 4.21 kernel from the 4.21 DEX and take example from this one to make your own CFW DEX and also for CEX that is pretty similar but you need a PS3 DEX to work under development mode that let you execute under debugger mode
You can decrypt/encrypt everything with a PS3 4.21 DEX and the right App… for example just with the Multiman you can dump the LV2 4.21 and decrypt this one with the PS3 (you also need to active log mode) that log every of your action and save it into your usb storage
This is way that NoDRM work to make patch for the PS3 Games, you can even do it yourself if you don’t want to wait the release
One of the best app available is memdump that let you dump lv1/lv2 and flash memory don’t forget this app, it’s usefull with a PS3 4.21 DEX
link seems to be censored so if you would like take out the starts and put in "console crunch" with out the space.