Discussion Upgraded to 8.1.0 then downgraded back to 4.1.0 (originally on) gives Atmosphere error 2002-4315

lovebirdlover Jun 27, 2019.

  1. lovebirdlover
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    lovebirdlover Member

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    Oct 29, 2018
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    New switch, got a clean NAND with BOOT0/1. I updated with Choi to 8.1.0 and realized i should just update officially then put my switch offline. So i downgraded back to 4.1.0. When updating, i chose support for SDXC then when downgrading back to 4.1.0, i didnt choose support for SDXC since it didnt have it and kept nagging me to update to support it.

    After downgrading, Atmosphere keeps booting and gives me error code 2002-4315 and i really hope i didnt eff up my system. I just want to get back to the homescreen, update officially to 8.1.0 and be good. Please help!

    edit: want to add it always boots to rcm and fuses are still my original 5 out the box
     

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  2. 8BitWonder

    8BitWonder Small Homebrew Dev

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    Jan 23, 2016
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    Title 010000000000000C is bcat according to switchbrew.
    And checking 2002-4315 on Atmo-Discord is saying the save data is corrupt.

    By chance did you re-initialize the system like choiNX recommends when you downgraded?
    (That's all I can really think of where you may have gone wrong, someone else chime in if this issue is familiar)
     
    Last edited by 8BitWonder, Jun 27, 2019
  3. lovebirdlover
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    lovebirdlover Member

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    Can you elaborate on reinitializing the system? I didnt see this anywhere unless im blind
     
  4. 8BitWonder

    8BitWonder Small Homebrew Dev

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    When not downgrading via Hekate and an old Nand backup, it's recommended to do a system re-initialization with this button in ChoiNX.

    The obvious downside being that it's a factory reset that wipes all saves and titles from memory.
    [​IMG]
     
  5. lovebirdlover
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    lovebirdlover Member

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    So what is my best option now to do? Just restore my NAND backup i have? Because i cant get to the home menu :/
     
  6. 8BitWonder

    8BitWonder Small Homebrew Dev

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    If you have good Nand + Boot0/1 (firmware specific!) to restore to then yes I'd recommend you restore to that.
    Though you'll likely lose some saves or tickets made/installed after the backup was made.
     
  7. lovebirdlover
    OP

    lovebirdlover Member

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    Lat reply, but fixed the issue! Thanks for your help :)
     
  8. Mi460

    Mi460 Advanced Member

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    May 13, 2019
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    If I am downgrading on an EmuMMC, does choosing the System Initialize option only affect the EmuMMC, or does it affect the eMMC as well?
     
  9. 8BitWonder

    8BitWonder Small Homebrew Dev

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    I haven't dabbled with emummc so I wouldn't know, sorry!
     
  10. Mi460

    Mi460 Advanced Member

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    May 13, 2019
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    That's alright. Thank you for the quick response :)
     
  11. Mi460

    Mi460 Advanced Member

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    May 13, 2019
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    Hateno Village
    That's alright. Thank you for the quick response :)
     
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