1. disco2001

    disco2001 Member
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    hello

    1) sorry for my very bad english

    in my opinion all sd redear are good for reading 3ds nand

    the problem is all 3ds don't have the same nand cheep

    to read the nand you have to (temporary) brick the 3DS
    you connect the SD reader, start the 3ds, have blue screen(brick), and then dump

    i have 2 3DS witch dont have the same nand cheep (great)

    the first dump without problem (the SD reader brick the 3DS)

    the second refuse to dump (with the same sd reader , the SD reader don't brick the 3DS)

    solution
    shortcut clock and ground
    power on 3DS === blue screen (brick)
    remove the short cut
    connect the SDreader
    and dump

    my SD reader is a 1$ comming from DX.....

    a+
     
    Thomas83Lin likes this.
  2. disco2001

    disco2001 Member
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    hello
    gateway team want 100$ to unbrick a 3DS
    so it's possible
    the NAND isn't zeroed ( XAND whit a part of the firmware????)

    when you make a god dump( why shortcut) no answer (ack) by the nand to cmd == bootloader disconect the nand

    when you load a bad firmware (gateway brick or dump wihtout shortuct) y hope the bootloader don't disconnect the nand (clock)
    nand give ack but bad data

    A+
     
  3. Moquedami

    Moquedami GBAtemp Fan
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    Hi everyone.
    I'm still trying to recover the brick, and after 3 memory readers, checking my solderings, and trying in both laptop and desktop, I might be making some progress.
    Now Windows detects a removable unit but doesn't say the size.
    USB Image Tool reads it as Generic Storage device USB Size: 1.000.341.504 bytes
    And both USB Image Tool and Win 32 Disk Imager let write the unit with the nand.bin
    Problem is that after a while both report error.

    For USB Image Tool:
    Error: Could not write to the USB device (Code: 0)!
    Please close all open explorer windows for this device

    For Win 32 Disk Imager:
    An error ocurred while attempting to write data to handle. Error 19: the media in Writting protected.

    I don't know if this is caused by my SD adapter or actually is the famous eMMC thingy
    I put the little plastic jumper of the writting lock in its original position, but since I had to rip the adapter open, I don't know if it's ok.
    Just in case I covered all with tape but doesn't change the result.
     
  4. redkeyboard

    redkeyboard GBAtemp Advanced Fan
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  5. aliak11

    aliak11 Pokemon Master
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    redkeyboard likes this.
  6. Diggie

    Diggie Newbie
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    This describes exactly the problem that I am having.
    This is the error I get when trying to read (pretty much the same as when I try to write)
    [​IMG]

    And then Win32DiskImager crashes.
     
  7. shepe

    shepe GBAtemp Regular
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  8. lordofthereef

    lordofthereef GBAtemp Advanced Fan
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    This may be completely obvious to you, so don't take offense when I ask this question...

    Did you select a drive? In the screenshot there is no actual drive selected.
     
  9. TheBorg

    TheBorg Member
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    I have the same problem, with selecting a drive letter.
    This trick doesn't work on a GW Brick.
    The SD trick NAND backup/restore only work on a working 3DS and not on a GW brick 3DS.

    We must wait for an another solution.
     
  10. TheBorg

    TheBorg Member
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    Hello,

    i tried USB Image Tool on a normal SDCard 1GB and restore the 3DS NAND to it.
    I restart the USB Image tool and look at Device Mode:

    [​IMG]

    Reading and writing the NAND again and all went OK on the 1GB SDCard.

    Now i connect the GW bricked 3DS and open the USB IMAGE Tool:

    [​IMG]

    Look like the same as the SDCard.
    But Reading and write give me now an error 21: Device not ready.

    [​IMG]

    So, it's not the SDCard reader what gives the problems on a GW bricked 3DS.
    There must be another problem.
     
  11. Moquedami

    Moquedami GBAtemp Fan
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    I am getting the same report as Borg for my bricked 3ds with usb image tool.
    I get adifferent error though, but i cannot write nor read.
     
  12. shepe

    shepe GBAtemp Regular
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  13. krisztian1997

    krisztian1997 GBAtemp Fan
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    If even reading fails that means that the eMMC controller is in locked mode, and wont receive/transmit data until a valid key is provided to unlock it or the firmware is gone, but then it wouldnt report the corect size, serial, etc
     
  14. Gizmo1k

    Gizmo1k Advanced Member
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  15. lordofthereef

    lordofthereef GBAtemp Advanced Fan
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    I guess the reason I was asking is because my console isn't bricked, but I was also getting an error like this and unable to selet a drive letter until I found a working SD reader.

    On a side note, the SD reader I linked started not working 100% of the time either. granted, I have been restoring as many as ten times a day, so that might have something to do with it. I ordered a couple more to run tests with.

    Is there anyone in the US who would be interested in shipping me their console to see what I can see? I am happy doing it and can, at the very least, use some hardware that I can confirm working for my system (granted mine was never bricked).
     
  16. lordofthereef

    lordofthereef GBAtemp Advanced Fan
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    Monoprice is your best friend!
     
  17. TheChield

    TheChield Ugly Troll
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  18. Elusivo

    Elusivo Shinobu Molester
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    Can't u guys try with a partition recovery program to see what it says? Testdisk is pretty awesome in recovering partitions, can see the files in a disk that was formatted, and even useful for changing the geometry of the disk and whatnot. Maybe it can help in giving some more info of what's happening with the 3ds nand chip?
     
  19. TheBorg

    TheBorg Member
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    Program sees the 1GB disc but give read and write errors.
     
  20. Elusivo

    Elusivo Shinobu Molester
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    So i guess it's the information recorded in the controller chip for the flash memory that is causing the problem? and that can't be accessed by a sd memory card reader...
     
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