1. JeremyKO

    OP JeremyKO Member
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    Hello I would like to warn you that I am French and that I use google translation so if some translation is not stable understand me as best as you could 1 years ago I had done some bullshit on my Nintendo switch I could just turn it on by the rcm mode I recently watch a video to reconstruct the nand but the problem is that it even affected my "Bis Keys" which prevents me from reconstructing the nand there would be a solution to rebuild the nand and "Bis Keys" and it does not matter if I lose all my data (I have no backup) (if you also need to rebuild the BOOT1 and BOOT2 I will do it)

    here is some information that might be useful for you :
    image1.jpg image2.jpg image3.jpg image4.jpg image5.jpg
     
    Last edited by JeremyKO, May 30, 2020
  2. bombob

    bombob Advanced Member
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    1-You need a valid backup even Partial will do
    2-you should not share your BISkey with the entire world
     
  3. Hayato213

    Hayato213 GBAtemp Guru
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  4. JeremyKO

    OP JeremyKO Member
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    ok but on the other hand I did not make any backup before having this problem
     
  5. JeremyKO
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  6. Hayato213

    Hayato213 GBAtemp Guru
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    If your doesn't boot and you don't have a working NAND backup with the correct boot 0/ boot1 you need to use Rajkosto guide to rebuild your NAND, Good luck.
     
  7. JeremyKO
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  8. LapCheong

    LapCheong GBAtemp Regular
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    No biskey and thats it
     
  9. JeremyKO

    OP JeremyKO Member
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    yeah so it will work more?
     
  10. LapCheong

    LapCheong GBAtemp Regular
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    Do this guide

    If i am not wrong your biskey is taken from your boot0/boot1 files. So you messed and didn't backup too bad...
     
  11. JeremyKO

    OP JeremyKO Member
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  12. Lacius

    Lacius GBAtemp Legend
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    I helped @JeremyKO over PM. We hopefully have the BIS keys, and we're attempting to rebuild the eMMC.
     
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