error

[DarkCrows]

A later version of the system software is already installed. There is no need to update. (CAAFFFFFCF7) (what the fish?) mine psp go 6.60 cant downgrade to 6.20

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[nisarg_kolhe]

Maybe you messed up with the version.txt, change it as it was on default and then try again!

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[The Z]

Maybe you messed up with the version.txt, change it as it was on default and then try again!

I think he meant he cant downgrade the PSP Go with a downgrader.

Try to reinstall the 6.60 OFW with the downgrader and THEN downgrade to 6.20...
If you cant reinstall the 6.60 OFW with the downgrader, then there is something messed up!

[stevealexanderames]

A later version of the system software is already installed. There is no need to update. (CAAFFFFFCF7) (what the fish?) mine psp go 6.60 cant downgrade to 6.20

i got the same error on my 3004 some time ago with a version of the downgrader (i don't remember which one)

try downgrading to 6.39, then to 6.20. it worked for me (using latest downgrader, v5f)

[The Z]

A later version of the system software is already installed. There is no need to update. (CAAFFFFFCF7) (what the fish?) mine psp go 6.60 cant downgrade to 6.20

i got the same error on my 3004 some time ago with a version of the downgrader (i don't remember which one)

try downgrading to 6.39, then to 6.20. it worked for me (using latest downgrader, v5f)

Which would be this one: http://zload.net/v2/archives/file/?id=241603

[DarkCrows]

v1.4 can downgrade to 6.35..but 6.20 still got error.so i have to use davee 6.20-6.35 downgrader.

[PsPsiR1]

then you can try to use downgrader 4.1 or latest.