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Thread: Mathieulh & Yoshi & Dark_Alex's 2.71 Downgrader

  
  1. #1
    rabbitmonkey is offline -Hacks Enthusiast
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    Breaking news! Just minutes ago Mathieulh announced over IRC that a preliminary 2.71 downgrader has been released.

    http://downgrader.lan.st/

    If you brick, don't shoot the messenger (IE: me)

    3.71 Downdater by Dark_AleX/Mathieulh/Yoshi


    This software is free, unlicensed and comes with no warranty.
    Despite it has been tested and it has worked, a program that rewrites a big part of the flash(flash0)
    is always dangerous. You are the only responsable of whatever happens to your psp using this
    unlicensed program.

    This program requires that someone with a 1.50 runs a little program and send you the output so
    you can init the downdate process. (by legal reasons i cannot provide those files directly, that's why
    this is needed).

    The 1.50 program is TOTALLY safe, it only dumps the flash of a 1.50 user and it also extracts some special
    prx's found in the 1.50 updater.


    The downdater directory outputted is exactly the same than the created by the 2.60/2.50 downdater.

    IMPORTANT NOTE: TA-082 users, this doesn't work on these psp's. DO NOT RUN IT.


    Instruction for the 1.50 user
    -----------------------------

    1) Copy the folders downhelper and downhelper% from the folder 1.50 HELPER folder to
    /PSP/GAME/ in your memstick.

    2) Obtain the 1.50 updater and put it in /PSP/GAME/UPDATE in your memstick.
    Some download links for it:
    http://www.psphacks.net/files/PSPFirmwares/1.5/
    http://dl.qj.net/PSP-Firmware-1.50-File-(EBOOT)-North-America-PSP/pg/12/fid/163/catid/163

    3) Init the downhelper program.
    It will dump your flash and some files from the updater eboot to the memstick.

    4) After that, the program will exit. You can now delete the updater from /PSP/GAME/UPDATE

    5) You'll notice that you have a new folder in the root of your memstick called "DOWNDATER".

    That's the folder you'll have to send to a 2.71 to let him use the downdater.


    Instructions for the 2.71 user
    -------------------------------

    1) Copy the files inside MS_ROOT to the root of your memory stick.

    2) Wait someone with 1.50 to pass you a folder called DOWNDATER and copy it to the root of your memstick.

    3) It is recomended that you have the psp at more than 50% batteery and connected to AC

    4) Go to the xmb photo viewer.
    At this point will one of the following things:

    a) You'll see a full red screen. This indicates that the downdater is doing its job.
    Wait for it to finish. When it finish it will crash on purpose. Restart your psp manually
    and you'll probably have a 1.50 if nothing went wrong.

    b) You don't see the red screen. This indicates that the downdater code has not started
    to execute. (even if the memstick blinks(or no), it doesn't matter! if the screen is not red, you can safely restart
    the psp at this point).

    This happen because of inestability in the tiff.
    Don't worry, just restart the psp and keep trying until you reach the red screen of downdate.
    The downdater code is NEVER executed partially. It's either executed totally or nothing.


    It depends of "luck" but usually the downdater will start to execute in a average of 1/10 times.

    Things that may increase the probabilities:
    - A fresh formatted memory stick.
    - A 32 MB memory stick (and fresh formatted)

    Many thanks to:
    - People that found and exploited the tif bug: Nopx86, psp250, Skylark, Joek2100, CSwindle, JimP and Fanjita
    - hitchhikr for finding the kernel exploit.
    - All people that tested code and supported us: jpeg (the first in downgrade!), whackawookie,
    nopx86, [Having], tyranog, joshrulez and probably more people that i forgot.
    - www.gamefreax.de (special thanks to them !!) who offered us needed matterials and support and allways believed in us !
    - www.pspgen.com who tested the downgrader, created a video and hosted the file.
    - Yoshihiro who helped us with many other projects and still does, and who worked on the 2.60 downdater (which this one is based on)
    - www.maxconsole.net especially his moderator whackawookie who helped us by testings, and scroller who fixed Alex's psp.

    Anti-Credits:
    - tesuhack for lying in one test making us loose time and reach incorrect conclusions
    [edit: Fixed title]


    A recent study shows 92% of the teenage population likes rap music. If you are part of the 8% who listen to real music, put this as your sig.

    There\'s a spell check button. Use it.

  2. #2
    killaj is offline Senior Member -Hacks Titan
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    already in the hacks, cracks, and mods section.
    you fail :lol:

  3. #3
    Thekirby45 is offline -Hacks Newbie
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    lol 3.71

  4. #4
    lektrosonic is offline -Hacks Smarty
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    woow another big step for hombrew ... dark_alex did it again

  5. #5
    rabbitmonkey is offline -Hacks Enthusiast
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    Mathieulh did stuff too :\

    Anyway, whoever beat me to it: I had to download rar, unpack it, install it, and then convert the readme to a Linux format. I coulda won if I didn't have to do all that shit! NARG!!

    Me: 0 Other guy: 1

    A recent study shows 92% of the teenage population likes rap music. If you are part of the 8% who listen to real music, put this as your sig.

    There\'s a spell check button. Use it.

  6. #6
    YoYoBallz's Avatar
    YoYoBallz is offline Senior Member -Hacks Titan
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  7. #7
    Zero is offline Ad Man -Hacks Titan
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    "Mathieulh & Yoshi & Dark_Alex's 2.71 Downgrader"

    DAX should be first.

    Dark AleX did it with the help of Mathieulh :P

    "Dark_Alex & Mathieulh & Yoshi's 2.71 Downgrader"

    And,
    Quote Originally Posted by killaj
    already in the hacks, cracks, and mods section.
    you fail :lol:

  8. #8
    YoYoBallz's Avatar
    YoYoBallz is offline Senior Member -Hacks Titan
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    The homebrew world just kicked sony in the nuts, again!

  9. #9
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    Stalvros is offline Senior Member -Hacks Titan
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    it depends on luck?????
    You mean its not 100% secured?

    Darn, and i was looking forward to downgrading my nonTA-082 white~
    Now what :(

  10. #10
    rabbitmonkey is offline -Hacks Enthusiast
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    Quote Originally Posted by ChaosZero
    "Mathieulh & Yoshi & Dark_Alex's 2.71 Downgrader"

    DAX should be first.

    Dark AleX did it with the help of Mathieulh :P

    "Dark_Alex & Mathieulh & Yoshi's 2.71 Downgrader"

    And,
    Quote Originally Posted by killaj
    already in the hacks, cracks, and mods section.
    you fail :lol:
    Well, I was talking to Mathieulh, so he went first, and then DAX. Then I added Yoshi in the middle because there was an & there already (STFU I'm crazy).

    And as for the one in Hacks, Cracks & Mods, if you notice the guy made a thread called "2.71 Downgrader by midnight GMT" or something. That guy was trolling anyways -.-

    A recent study shows 92% of the teenage population likes rap music. If you are part of the 8% who listen to real music, put this as your sig.

    There\'s a spell check button. Use it.

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