Originally Posted by lionz24
i don`t understand why we cant just update with a cfw over ofm as any firmware over the current systems version should just install, eg a 4.30cfw should just install over a 4.20ofw. thats how the psp worked anyway.
You can't install a 4.30 CFW on OFW 3.56+ because it's signed with 3.55 private keys, thus you can only install it on 3.55. There's no method to recover the private keys on 3.56+, Sony fixed the Randomfail.
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