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02-08-2006, 05:36 PM
|  | Senior Member
My Mood:  | | Join Date: Dec 2005
Posts: 286
Points: 0.01 Donate | |  Good idea Bad idea......
while back ago, i came across a custom v1.5 PSP firmware by game shark. Now, the idea of downgrading a the v2.01/v2.5 PSP is simple. Build / edit the current v2.6 firmware so that it is based on a v2.0 firmware which allows the "overflow.tif" exploit and then you could downgrade the PSP. Well that means only v2.01 / v2.5 PSP user could take advantage of this method if it actually works.
In more details now, to give you more ideas and a bigger picture, using the sony signture etc present on the v2.6 firmware, trick the PSP into thinking its a "offical" sony PSP v2.6 firmware upgrade, however, because this is a custom "v2.6" firmware, it actually contains the sony signture just so that it could by-pass the security check and update to the "v2.0" codes (which you could then use the MPH downgrade method etc). So in the end, the PSP would have been updated to a "v2.6" firmware, but you could downgrade the PSP to run homebrew game
Well this is my idea, if any hacker/coder could take advantage of this, it would be great.
Let me know what you think
got this from another forum dont flame me
__________________ ORIGINAL 1.0>1.5>1.51>1.52>2.00>1.5>1.0
Bought In January Of 05
ORIGINAL 1.5>2.7>1.5
Bought In May Of 05 |
02-08-2006, 05:39 PM
|  | Senior Member | | Join Date: Nov 2005
Posts: 420
Points: 1.24 Donate | | | the eboot wont work with out sonys key |
02-08-2006, 05:41 PM
|  | Senior Member
My Mood:  | | Join Date: Feb 2006 Location: Flowermound, Tekas Age: 19
Posts: 492
Points: 18.73 Donate | | | Sounds good, but like most good ideas in hacking, it sounds hard. Do we currently know the signature sony uses to make it an "official 2.6 firmware"?
__________________ I don't believe in signatures... |
02-08-2006, 05:43 PM
|  | I'm eatin' ur Bandwidthz!
My Mood:  | | Join Date: Nov 2005 Location: Foodcourtia. Spooky, yes?
Posts: 3,638
Points: 84,973,253,487.48 Donate | | Quote: |
Originally Posted by fjb Sounds good, but like most good ideas in hacking, it sounds hard. Do we currently know the signature sony uses to make it an "official 2.6 firmware"? | Where have you been? Of course not. Sorry man, it's been tried many many many times, no go. Good idea though. |
02-08-2006, 05:46 PM
|  | Senior Member
My Mood:  | | Join Date: Nov 2005
Posts: 462
Points: 136.57 Donate | | | Sorry, no can do
__________________ Back to the PSP Scene! |
02-08-2006, 05:47 PM
| | | Senior Member
My Mood: | | Join Date: Feb 2006 Location: Flowermound, Tekas Age: 19
Posts: 492
Points: 18.73 Donate | | | The tribe has spoken. Your idea is a failure...
__________________ I don't believe in signatures... | |
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