you would need to decompile a 2.6 update file, which currently im fairly sure isn't possible.

then you would need to link them up so any application that requested those prx files/system files etc pointed to the flash for 2.6, And yeah, a minor thing u'd prolly need to change ur psp firmware # to 2.6

but currently due to not being able to decompile/decrypt 2.6 i dont think its possible yet....... but im unsure.

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