1. nsw

    OP nsw Newbie
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    Joined:
    Jan 28, 2020
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    Canada
    I downgraded using ChoiDujourNX from 9.1.0 to 4.1.0 but now get error 2002-4315. I have a backup of the eMMC raw GFF when is was on 4.1.0 originally but did not backup the eMMC Boot0/1. Also I have backed up tsec keys and fuse and kfuse info prior to the upgrade to 9.1.0. What is the safest way to fix this error? I can get into heketa.
     
    Last edited by nsw, Jan 28, 2020
  2. matt.c

    matt.c Newbie
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    Joined:
    Sep 13, 2009
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    i'm assuming you haven't burned any additional fuses since being on 4.1.0. I think you should have 5 burnt? Maybe consider the advice here? I can't post a direct hyper link because despite having an 10+ year old account, gba-temps automoderation thinks my account is suspicious :rolleyes:

    Google the thread on gbatemp "Switch won't boot after downgrade" posted by "Osga21"
     
  3. ZachyCatGames

    ZachyCatGames GBAtemp Addict
    Member

    Joined:
    Jun 19, 2018
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    Some system save got fucked up, open your SYSTEM partition with hacdiskmount and delete everything in the save folder except 8000000000000120.
     
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