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[therod]

My PSP: Jap 1.51

Got hold of the 1.5 installer. Tried to install on PSP, was told the PSP was already upto date (as expected)

I then hex edited and replaced every string of "1.50" to "1.53". The PSP gave me the fancy logo, launched the installer, memory stick light flashes lots, but then get the following error message: "The update cannot be started. The data is corrupt"

Now, is the PSP actually launching the binary and then stopping because of a crc check on the update? Or is the psp not even getting to launch the binary at all after checking the digital sig?

[mrbrown]

We no longer host discussions about downgrading or exploits. Move to off-topic and locked.