how to revert to stock firmware after choidujour ?

Discussion in 'Switch - Exploits, Custom Firmwares & Soft Mods' started by gg11, Jan 7, 2019.

  1. gg11
    OP

    gg11 Member

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    Jan 7, 2019
    Belgium
    Hello

    I have a switch bought with original 2.3 fw.

    I updated it with dejavu to fw 5.1.

    I went online with it and downloaded a couple of demos, then never got back online again.

    I'd like to revert to stock firmware so I can play with cartridge games with fw>5.x, and eventually go online safely.

    What can I do ?

    Thanks for your help
     
    Last edited by gg11, Jan 7, 2019
  2. Hayato213

    Hayato213 GBAtemp Psycho!

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    8
    Dec 26, 2015
    United States
    Restore your original nand backup if you have any, one that before you went online with any homebrew.
     
  3. 8BitWonder

    8BitWonder Small Homebrew Dev

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    Jan 23, 2016
    United States
    47 4F 54 20 45 45 4D
    You can't play cartridges requiring 5.X on 2.3.

    And if by chance you updated your cart-reader by not enabling nogc then it won't work anyway on fw below 4.0.0.
     
  4. gg11
    OP

    gg11 Member

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    Jan 7, 2019
    Belgium
    Thanks, but my question was more about how to go to stock firmware (not how to go back to fw 2.3)

    If I restore my fw from the backup I made immediately after going online (5.1), boot with RCM

    If I go online, I will trigger the download of the latest fw (6.2) .

    The update process will work fine ? And I will have a working stock 6.2 fw ?

    Is there a safer way to do the same offline ?
    using a Darks souls game cartridge for instance (i guess the included firmware is > 5.1), and doing the update offline ?

    Will it work ?


    Thanks
     
  5. andimlikewhat

    andimlikewhat Member

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    Dec 14, 2018
    United States
    Go to the "Dark" site (can't link it to you, just search for FW) and find the OFW you want and update using
    ChoiDujourNX. I believe it can downgrade too but don't quote me. I'd research it.
     
  6. gg11
    OP

    gg11 Member

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    Jan 7, 2019
    Belgium
    I already used choixdujour.

    When you use choixdujour, you don't have 100% stock firmware, some files are modified.

    I'd like to revert to standard, firmware.
     
  7. Kafluke

    Kafluke GBAtemp Psycho!

    Member
    12
    May 6, 2006
    United States
    The game cartridge update will work. Also if you can find a friend that has 5.1 then you can use the match settings option to update offline
     
  8. gg11
    OP

    gg11 Member

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    Jan 7, 2019
    Belgium
    can a moderator edit the title of this thread.

    I meant choidujour not dejavu

    I mixed the french words , sorry
     
  9. gg11
    OP

    gg11 Member

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    Jan 7, 2019
    Belgium
    kafluke, can you elaborate ?
    I have acces to a stock 5.1 console, how can I do the update ?
    I must dowgrade to 5.0.1 with choidujour, then perform the update locally from the other console with stock 5.1 fw ?

    In which menu can I find this option ?
    Thank you
     
  10. BlackTSQ

    BlackTSQ Member

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    Oct 9, 2018
    Austria
    If you don't mind not beeing able to downgrade afterwards, you can just update via the regular over the air update. There is a risk that you are going to get banned, but that risk always exists when you go online with a previously modded console.

    In my opinion it would be best to upgrade with ChoiX, it literally has now downsides to updating the official way, and if you managed to not burn fuses until now, you can still revert back to OFW 2.3 in case a software exploit is released.
     
  11. Black_Dahlia

    Black_Dahlia Member

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    Oct 11, 2017
    Germany
    Where did you read this? XD
    Nothing gets modified when updating with choi....
     
  12. Kinto77

    Kinto77 Member

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    Aug 5, 2016
    Italy
    Your "stock firmware" is already screwed since it is from a backup made AFTER you loaded a CFW

    You could be even already banned, since you already went online to download demos...
     
  13. gg11
    OP

    gg11 Member

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    Jan 7, 2019
    Belgium
    Hello, thanks for the remarks

    I have made several full backup of the nand.
    one unmodified fw 2.3
    one after update 5.1 with choidujour
    one after going online before downloading demos
    one after going online after downloaded demos

    After checking the choidujour build logs,
    I see that the patched files are indeed kip files that go on the SD card (not fw files, my mistake),
    but there is also a file downloaded from internet (rajkosto's website ???) wich contains SYSTEM/save/8000000000000120

    I don't know what this file contains.

    Currently my GC is patched after 4.1, and my fuse count is 6.
     
    Last edited by gg11, Jan 14, 2019 at 10:44 AM
  14. gg11
    OP

    gg11 Member

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    Jan 7, 2019
    Belgium
    I manage to boot an OFW without hekate !!!

    I restored my 2.3 backup, then generated a 4.1 fw with choidujour with only patch "nocmac", and applied it (initialize way).

    I first booted it with a fat32 SD card, I also used the new feature of hekate : clean the archive bits of the SD card.
    I don't know if it this was important, but I did it anyway.

    I configured the console (since it's after initialize), and then insert a game including the fw 5.0.2, and performed the requested update.

    And after the console got to stock firmware 5.0.2, it reboot normally without any problem (autorcm removed when the "official" cartridge update was performed).

    Now that I know this path works, I will get back to the last backup I made after going online, and try the same method.
     
  15. gg11
    OP

    gg11 Member

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    1
    Jan 7, 2019
    Belgium
    I restored my 5.1.0 backup, but fails to boot (without tegraRMC+hekate).

    I tried to install boot0 and boot1 from 5.1.0 choidujour directory, but doesn't boot either.

    Does anyone has an idea of which partition or file could be corrupted or mismatch ?

    could it be bcpkg2-5 and bcpkg2-6 ?
     
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