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Thread: PSP: exploit for 1.00 - 2.7 psp!

                  
   
  1. #1
    PSP User crait's Avatar
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    Arrow PSP: exploit for 1.00 - 2.7 psp!

    ok
    so this is really the first time to ever use a thread on any game site so here i go!

    --------------------------------------------------------------

    Below is a basic message I've sent out to many sites about my exploit. And before you flamers jump in, I want you to carefully read the following. All of it. I mean it, don't skip or don't read. Now lets get it going then. Again, this is the message.

    --------------------------------------------------------------

    Dear reader,
    Please read through this whole letter before making any assumptions. There are links provided to two videos of this taking place. I am [-----My real name-------], also known as crait. I have found an exploit in the PSP Firmware Update to version 2.71, and would like to share this with you. Unfortianally, this only works on a certain 'type' of PSP, a certain model... I am unsure. I've tried this modified update for all of my three PSP Systems, and have found something very interesting. This 'modded' update confuses the PSP, making the psp think it is corrupted. This Eboot opens but, as usual comes to a hault by an error. But that's where the mod comes in! It tells the PSP to look for the wrong error message which disply as the following:
    ---------------------------------------------------------
    --------------------------------------
    Update cannot start.
    Data is corrupt.
    ---------------------------------------

    X: Enter O: Cancel
    ---------------------------------------------------------

    OPPOSED TO:

    ---------------------------------------------------------
    --------------------------------------
    Data is corrupt.
    (398742398472972Jumble)
    ---------------------------------------

    O: Back
    ---------------------------------------------------------

    Now, your thinking, "Ok, a minor glitch? Nothing would come of this."
    Well, if I was correct about that part, your wrong. Let me explain the functions at the bottum of the screen, then I will give you some information on how this could be the exploit for 2.7 and another for 2.6/2.5 which will actually save people money, believe it or not!
    Onto the fuctions... At the Bottum of the top error message, it states "X: Enter O:Cancel". If i were to press the X key, nothing would result, therefore it has no value or function. And onto the O key... If I were to press that button, instead of heading back to the menu, crossbar-thing, I would restart my PSP.
    Wierd. Yeah, I know... Ok. Now for how this could be an exploit.
    Because this Eboot is already corrupt, I can go within it, and change it as I please. What I am going to do, is, change the X key, on that error, to actually have a function. That function being to either open up the eMenu made by Fanjita and Ditlew, which will be modded too, or to open up a new entire program that will be similar.
    But what about the 19 Mb it takes up? Well. I could just go in and take out the Playstation Archive file! (Data.psar) That would cut down on serious size! We're talking 17-18 megs here.

    Now for the Proof!

    I first would like to point out a few things. Firstly, the two videos both depict PSP's, which are both 1.5 PSP'S, not 2.7. I cannot find a 2.7 with the specifications needed to test this properly, and to it's full potential, though this will work on a 2.7 PSP ((Man that is a run-on scentance.)) The screens are way too blurry to see the system information, but it's very clear what version PSP it is. (e.i. no network icon, and modded font, and bg) The movies are also a bit blurry, but its otay otay. Also the videos make a lot more since if you watch them in the order I display them to you.

    The first link shows the error, the modded error, appear on on of my PSP systems. It also shows the viewer what the functions are.


    The second shows how this exploit is only usable on a certain type of psp, and not all of them. ((heehee sry for the broken screen one.. lol))


    Signal me back when you get this message, we'll chat about it, maybe find what the model exactly is that runs this exploit, etc. If you do actually even read this and you are wanting to contact me, you can reach me at the information under this line : )

    Aim Screen Name: the crait (on aim)
    GMail Sevice: [BLOCKED]@gmail.com
    or my alternative,Yahoo: [BLOCKED]@yahoo.com

    Please contact me back! : )
    -crait

    OH SNAP! about saving people money! if this error is to occure on a 2.5/2.6 PSP you can access homebrew, without the need of GTA: LCS! : ) yay for them!

  2. #2

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    hmm....I don't know what to think.....

  3. #3
    Master Malk1th Malksta's Avatar
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    what zion said
    secret message!
    I used to have a signature here.

  4. #4
    Won Hung Lo wraggster's Avatar
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    ill move to emu and homebrew forum for more investigation

  5. #5
    PSP User crait's Avatar
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    otay otay
    i love your site, its put together well
    and i love your icon

  6. #6
    DCEmu Coder splodger15's Avatar
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    some1 just give me a brief explanation of this them videos are a bit $#@! aswell

  7. #7
    PSP User crait's Avatar
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    Exclamation

    this opens up a update file (to 2.71)
    the file is curropted
    the psp, of course pulls, up an error
    this corruptment makes the psp pull up the wrong error
    that error has two keys to press opposed to the normal one key
    i can change the code to make the key do something
    and because its corrupt already, it will not matter
    this is good and all, but does not work on all models

  8. #8
    PS3 User Gizmo356's Avatar
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    if my psp came origonally with fw 1.52 can i use this

  9. #9
    DCEmu Coder splodger15's Avatar
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    ok

  10. #10
    PSP User crait's Avatar
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    Exclamation

    not so sure....
    i think all firmware under 2.71 should be able to do this,
    as long as the psp model is the right one...
    and i dont know which model works...
    if some one knows a way to figure out a model a psp is
    i would love to talk to you
    my aim is: thecrait
    also i need some beta testers, any firmware under 2.71 of course!

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