Sonyxteam PSP downgrader
p2p news / p2pnet:- SonyxTeam has just released a downgrader for the PSP using the toc2rta 2.0 overflow in libtiff, says roka on slashdot.
“This has been tested and found working by PSP news sites,” says the post.
“This is basically opening all sold models of the PSP to homebrew applications and will boost homebrew software development for Sony’s handheld.”
It’ll be music to the ears of AfterDawn’s Dela and other PSP fans ; )
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UPDATE: Just goes to show I should check my email before posting. If I had, I would have seen this from AfterDawn’s Dela:
“Not long after the toc2rta exploit made it possible to run some code on a PSP with v2.00 firmware, a downgrader has surfaced. All respect and appreciation should go to MPH for doing what many tried and failed to do. I have tested this method and just spent the last few hours preparing and putting a guide on the site for it. Check this out…
“I successfully downgraded my PSP from 2.00 to 1.50. The guide I have written has some screenshots and some pictures I took of my PSP (quality kind of sucks, but I’ll see maybe tomorrow if I can get something better online.) There is a lot of text at the start of the guide (including one warning EVERYONE must read) because I give a brief overview of the process before illustrating it properly.
“This guide was written with intent of making it a little easier for new PSP users to downgrade to 1.50 to run legal homebrew apps. This is not a guide to PSP piracy. I believe that since you bought the console (and let’s face it, they are not cheap) you should be allowed to run your own homebrew and not just “authorized software”.
“Check out the guide at: http://www.afterdawn.com/guides/archive/downgrade_psp_2.cfm
“Feedback (spelling mistake notification etc..
) is welcome, just send me a PM.
“Again, all respect to MPH for the excellent downgrader.”
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First they ignore you, then they laugh at you, then they fight you, then you win
- Mohandas Gandhi
See:-
slashdot – PSP Firmware Downgrader Released, September 27, 2005
music – PSP and homebrew code, September 26, 2005






October 25th, 2005 at 3:47 pm
I successfuly downgraded to firmware 1.5 using guide and have the software that fakes 1.51 to play games however my psp no longer plays my movie Blade, is this because downgrading my firmware changes its movie region code to 1