Question ChoiDujour Doesn't Work, Can't Downgrade

Discussion in 'Switch - Exploits, Custom Firmwares & Soft Mods' started by Marlap2000, Feb 11, 2019 at 5:20 PM.

  1. Marlap2000
    OP

    Marlap2000 Member

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    Dec 26, 2017
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    I made a thread yesterday about this and how I keep getting the "Section 0 is corrupted" error in Choi. Can someone run their Choi and keys for a 6.1 or 6.0.1 firmware and DM me a link to the file? As far as I'm aware, the Choi files it makes aren't console specific if you use online keys and a firmware downloaded from the internet. I can't get Choi to work myself for some reason so if somebody has a file that they made through Choi and can share it that would be great. Thanks.
     
  2. Hayato213

    Hayato213 GBAtemp Psycho!

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    People can't link you system update file here on the forum via post or DM.
     
  3. Marlap2000
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    Marlap2000 Member

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    Where can I find that file then?
     
  4. Hayato213

    Hayato213 GBAtemp Psycho!

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    ChoidujourNX, is more of an update, you can't really downgrade and boot into OFW if you burned your fuse. You can look for the firmware file from normally where you get your warez, don't asks for link here.
     
  5. Marlap2000
    OP

    Marlap2000 Member

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    Dec 26, 2017
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    I'm using ChoiDujour, not NX, to downgrade from 7.0.0 to 6.1.0. I can't get the Choi to give me a file because it doesn't want to run.
     
  6. Hayato213

    Hayato213 GBAtemp Psycho!

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    You can't downgrade and boot into OFW if you burned your fuse, downgrade is done by restoring your NAND backup if your fuse is intact.
     
  7. PrEtZaL

    PrEtZaL Advanced Member

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    Nov 13, 2018
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    Wrong, you can boot into any fw OFW or CFW regardeless of fuses burnt if you use a payload to avoid the check.
     
  8. Hayato213

    Hayato213 GBAtemp Psycho!

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    Well Im talking about without any payload
     
  9. PrEtZaL

    PrEtZaL Advanced Member

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    Not very clear in your response. You said you can't downgrade if you've burnt fuses......any how sounds like the OP has never used choidujour, suggest you wait for 7 support
     
  10. Philliyxx

    Philliyxx Advanced Member

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    Sep 21, 2018
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    I'll get the files when I get home later. We will figure out how to get them to you off of gbatemp
     
    Marlap2000 likes this.
  11. Marlap2000
    OP

    Marlap2000 Member

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    Dec 26, 2017
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    I have Hekate on this switch and AutoRCM works. I updated accidentally from 6.2 to 7.0 and now atmosphere won't boot. There's a pretty long guide on guide dot sdsetup dot com on how to downgrade if you're in my situation. I've done a NAND backup and followed the guide all the way to the point where I have to use Choi on my PC and give it a firmware and keys to give me a usable firmware package I can use to downgrade. Downgrading this way disregards fuses I'm pretty sure.

    — Posts automatically merged - Please don't double post! —

    I followed the guide that I use step by step and even with the correct keys and firmware, Choi just doesn't want to run for me. It keeps giving me a

    "File "ChoiDujour.py", line 517, in <module>
    File "ChoiDujour.py", line 225, in call_hactool
    Exception: Error: section 0 is corrupted!File "ChoiDujour.py", line 517, in <module>
    File "ChoiDujour.py", line 225, in call_hactool
    Exception: Error: section 0 is corrupted!"

    error and I have no idea how to fix it.
     
  12. Hayato213

    Hayato213 GBAtemp Psycho!

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    There is no public release of Atmosphere at the moment, you can either find the 6.2.0 files and use choidujour with it, but you gonna have to use AutoRCM with it if you don't want to run into ofw not booting, or you can just wait for 7.0.0 support.
     
  13. stephrk398

    stephrk398 GBAtemp Regular

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    May 29, 2018
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    "You cannot downgrade directly to 6.2.0 as the ChoiDujour PC application does not support 6.2.0. You must downgrade to any other firmware version first and then upgrade back to 6.2.0 with ChoiDujourNX if you specifically want 6.2.0"

    Source: https://guide.sdsetup.com/#/Manualchoidowngrade
     
    Zumoly and Prince ofhell like this.
  14. Kafluke

    Kafluke GBAtemp Psycho!

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    That guide will help you to downgrade but you still wont be able to boot OFW without a custom boot loader on every boot. Once your fuses are burnt they're burnt forever. If you have a sysnand on 7.0 and you didnt get there by using choidejourNX with autoRCM you will never be able to boot OFW (coldboot OFW) again without running RCM and custom payload on every boot. If you're okay with that then go ahead and downgrade
     
  15. Zumoly

    Zumoly GBATemp Analyst

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    Apr 27, 2018
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    OP I suggest you make a NAND backup of your 7 FW (just in case).
    Also if you're not familiar with Choixdujour on PC, just wait a few more days till CFW for 7 drops.
     
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