PSP 2.0 to 1.5 Firmware Downgrader

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Update 07/10/2005: Symantec Security Response report PSP Internet Download Firmware may infected with trojan viruses!

The first trojan virus that target on Sony Playstation Portable (PSP) is discovered by Symantec. Symantec Security Response marked he virus named “Trojan.PSPBrick” as “High Damage”. The trojan will delete all critical system files on PSP and prevent it from restarting correctly!

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PSP firmware downgrade from 2.0 to 1.5
Some people have been successfully downgrade the buggy PSP 2.0 firmware back to 1.5. Check it out below!

    Quote:
    PSP firmware downgrade:
    Well if you haven’t heard by now there has been a hole found in the 2.0 firmware that allows you to run small portions of code. And with this hole some very clever people have made it possible for 2.0 PSP’s to be succesfully downgraded to 1.5. (SWEET!) This will then open up homebrew to you once again. I for one am going to try it out even though there is a slight chance of breaking the PSP. With this new exploit there will probably be a firmware 2.1 or something released with new features and a patch. (I won’t fall for it again though.)

PSP 2.0 to 1.5 Firmware Downgrader source
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