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| {{shortcut|3DS:DSU}}
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| The DS mode firmware used for backwards compatibility in a 3DS console can be made unusuable by several different things. This page lists the full usual set of troubleshooting steps to fix this issue.
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| The troubleshooting below should always be started at the first section. The troubleshooting will direct you to other sections as necessary.
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| {{info|This page assumes you have already tried [[3DS:TWLFix|TWLFix]] without success. If you have not tried that page already, do it now before starting the below instructions.}}
| | Yo, im botman. im 16 and i go by he/him |
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| __TOC__
| | [https://botman.carrd.co/| My cardd] <— ykw just go read that |
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| == CFW Check == | | ==current projects:== |
| First, we will make sure your console has working CFW. This will help as it allows access to several useful homebrew tools, including [[3DS:GodMode9|GodMode9]].
| | Theoretical (maybe applied) digital basehaxx singlesystem |
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| # Power on your console while holding the {{B|SELECT}} button
| | ([[User:Botman/3ds Assistance Regular Guide|3ds Assistance Regular Guide]]) |
| #* If your console boots to the [[3DS:Luma3DS/Configuration|Luma3DS configuration menu]], press {{B|START}} to save, then continue
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| #* If your console doesn't boot to the Luma3DS configuration menu, do the same without the SD card inserted
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| #** If your console does boot to the Luma3DS configuration menu, your SD card wasn't inserted correctly, re-insert it and try again
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| #** If your console doesn't boot to the Luma3DS configuration menu, you likely do not have Luma installed, and should [[3dsguide:index|install CFW before continuing]] as all but one of the fixes on this page require it
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| #*** To make sure of this, hold {{Key press|SELECT|START|X|POWER}} for seven seconds while the console is powered off - if the notification LED [[3DS:boot9strap#LED_Status_Codes|lights up a color]], then you do have working CFW but something is interfering with Luma. Join the Nintendo Homebrew Discord for more advanced help
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| #*** If you do not have CFW and do not want to install it, you can still follow [[3DS:TWLFix|TWLFix]] if you can obtain homebrew access through [[3dsguide:index|a method on the guide]]
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| == Troubleshooting == | | ==consoles that i plan to do/have done aleady== |
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| === Section I - Prep Work ===
| | Wii (done) |
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| # Follow [[3dsguide:restoring-updating-cfw.html|Restoring / Updating CFW]], then the "Updating GodMode9" and "Creating a NAND backup" sections on [[3DS:GodMode9/Usage]]
| | N3ds XL (done) |
| #* Keep the NAND backup in your <code>gm9/out</code> folder if you have room, as it will be used if you need to do Section IV
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| # Continue to the next section
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| === Section II - Bizarre Edge Cases ===
| | o2ds (done) |
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| # Power off your console and insert the SD card into your computer
| | Switch (done) |
| # Open the file <code>sd:/luma/config.ini</code> in a text editor
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| # Scroll down until you find the variable <code>disable_arm11_exception_handlers</code>
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| #* This variable should be set to 0; if it is not, set it to 0 now
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| # Exit the text editor, remove the SD card, and reinsert the SD card into your console
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| # Power on your console
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| # Open [[3DS:FBI|'''FBI''']], then go into '''Remote Install''' -> '''Scan QR code'''
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| # Check whether the camera works, then press {{B|X}} and similarly check the other camera
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| #* If either camera causes an error or does not produce any output, your camera is likely bricked - this is known to cause DS mode issues. Disconnect the camera's cable ribbon and/or replace the camera entirely to fix this
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| # Power off the console, then power on again while holding {{B|SELECT}} to access the [[3DS:Luma3DS/Configuration|Luma3DS configuration menu]]
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| # If any of the following settings are enabled, disable them:
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| #* <code>Enable loading external FIRMs and modules</code>
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| #* <code>Enable game patching</code>
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| #* <code>Enable custom upscaling filters for DSi</code>
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| #* <code>Allow Left+Right / Up+Down combos for DSi</code>
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| # Either press {{B|START}} or select <code>Save and exit</code>, then attempt to open something that uses DS mode
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| #* If this works, look for and delete faulty patches in <code>sd:/luma/sysmodules</code>, <code>sd:/luma/titles</code>, and <code>sd:/luma/twl_upscaling_filter.bin</code> before turning any of the above settings back on
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| #* If DS mode still crashes and the camera works, continue to Section III
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| === Section III - NVRAM Analysis ===
| | Ps4 (done) |
| | | wow hey look at that i did all of them |
| ==== Section III, Part I - Corruption Check ====
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| # Open '''System Settings''' -> '''Other Settings''' -> '''Profile''' -> '''Nintendo DS Profile'''
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| #* If this crashes, continue to Part II of this section
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| #* If this does not crash, skip to Section IV
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| ==== Section III, Part II - Restoration ====
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| # Power off your console and insert the SD card into your computer
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| # Download both {{GitHub|zoogie/Stuff/raw/master/3DS_NVRAMtool/3DS_NVRAMtool.3dsx|NVRAMtool.3dsx}} and [https://i.n7.pm/nvram nvram.bin]
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| # Place both of these files in <code>sd:/3ds</code>
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| # Reinsert the SD card into your console
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| # Power on your console
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| # Open the '''Homebrew Launcher''', then open ''3DS_NRAMtool''
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| # Once the app loads, press {{B|B}}, wait one second, and then press {{B|X}}
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| # Press {{B|START}}, then exit out of the '''Homebrew Launcher'''
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| # Reboot your console and then attempt to open the '''Nintendo DS Profile''' again
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| #* If the DS Profile still crashes, continue to Part III of this section
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| #* If the DS Profile does not crash, attempt to open something that uses DS mode (the DS Profile only uses NVRAM, not DS mode)
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| #** If DS mode still crashes, skip to Section IV
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| ==== Section III, Part III - ctrcheck ====
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| # Power off your console and insert the SD card into your computer
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| # Open [https://gist.github.com/StarlitSkies/f417c1ded9de8fceffdb532f92823377/raw this link] in a browser, then right-click the page and choose the option that says 'Save As', 'Save Page As', or similar
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| # Place the resulting file (<code>ctrcheck.gm9</code>) in <code>sd:/gm9/scripts</code> on the SD card
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| # Reinsert the SD card into your console
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| # While holding {{B|START}}, power on your console to launch '''GodMode9'''
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| # Press the {{B|HOME}} button, then go into '''Scripts...''' -> '''ctrcheck''' -> '''Everything'''
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| # If any text that includes "Accept the following prompt to fix it automatically" appears, press A and accept the following sysNAND unlock
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| # Once it finishes, read the outputs on the lower screen. If they say any of the following, do the matching instructions:
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| #* <code>Warning: ______ installed to firm0/firm1</code>: Update your bootloader using [[3dsguide:updating-b9s|this page of 3DS Hacks Guide]]
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| #** This also applies if the <code>Warning:</code> text instead reads <code>Critical:</code>, but if it reads <code>Fatal Error</code> then ask for help in the Nintendo Homebrew Discord
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| #* <code>Fatal Error: NVRAM is inaccessible</code>: Ask for help in the Nintendo Homebrew Discord to receive a custom version of Luma that bypasses NVRAM
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| #** Even with this custom version, you cannot use Wi-Fi or play DS games on your console with this error - fixing it entirely requires a hardware replacement
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| #* If any <code>Warning</code>, <code>Critical</code>, or <code>Fatal Error</code> that is not in the above set and does not include "Accept the following prompt to fix it automatically" appears, ask for help in the Nintendo Homebrew Discord and provide the full output of ctrcheck
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| # If your NVRAM was not identified as an issue, reboot and then attempt to open something that uses DS mode
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| #* If this still crashes, continue to Section IV
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| === Section IV - TinyFormat ===
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| # Power off your console and insert the SD card into your computer
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| # If your NAND backup from Section I is not already on your SD card, copy it to <code>gm9/out</code> now
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| # Download {{GitHub|javimadgit/TinyFormat/releases/latest|TinyFormat}} (the <code>.zip</code> that is '''not''' the source code) and extract it
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| # Copy <code>TinyFormat.3dsx</code> from <code>3ds/TinyFormat</code> inside the zip, and paste it into <code>sd:/3ds</code>
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| # Reinsert the SD card into your console
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| # Power on your console
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| # Go into the '''Homebrew Launcher''', then open <code>TinyFormat.3dsx</code>
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| # Press {{B|Y}} to start the format
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| # your console will eventually load to initial setup - this is intended
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| # Go through initial setup until you reach the HOME Menu
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| #* If you cannot complete initial setup for some reason, you may be able to bypass it using {{GitHub|zoogie/2DSaver|2DSaver}}
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| # Attempt to open something that uses DS mode
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| #* If this still crashes, [[3DS:GodMode9/Usage#Restoring a NAND backup|restore your NAND backup]] and then continue to Section V
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| === Section V - TWLFix Variants ===
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| ==== Section V, Part I - Manual Deletion ====
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| # Open '''FBI''', then go into '''Titles'''
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| # Once everything loads, go to the bottom where purple-colored titles appear
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| # Press {{B|A}} and then choose to '''Delete title and ticket''' for all of the following titles:
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| #* <code>0004800F484E4C41</code>
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| #* <code>0004800F484E4C41</code>
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| #* <code>DS Download Play</code>
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| #* <code>Nintendo DSi™</code>
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| #* New 3DS only: <code>0004013820000102</code>
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| #* Old 3DS only: <code>0004013800000102</code>
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| # Exit out of '''FBI''', then go into '''System Settings''' and perform a system update
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| # Go back into '''FBI''' -> '''Titles''' and ensure all of the above titles are present
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| #* If any of the titles are missing, continue to Part II of this section
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| #* If none of the titles are missing but DS mode still crashes, skip to Section VI
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| ==== Section V, Part II - Global Deletion ====
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| {{warning|1=This part of this section will also delete all user-installed DSiWare.
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| If you have any apps/games you wish to keep but cannot redownload, either make individual <code>.cia</code> backups of them or continue to keep your NAND backup on your SD card so you can copy them out of the backup.}}
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| # Power off your console and insert the SD card into your computer
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| # Download {{GitHub|fox8091/Complete-DSiWare-Uninstaller/releases/latest/CompleteDSiWareUninstaller.3dsx|<code>CompleteDSiWareUninstaller.3dsx</code>}}
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| # Place this file in the <code>3ds</code> folder on the SD card
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| # Power on and open the '''Homebrew Launcher'''
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| # Open '''Complete DSiWare Installer'''
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| # Follow the instructions to complete the uninstall process
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| # Go into '''System Settings''' and perform a system update
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| # Atempt to open something that uses DS mode
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| #* If this still crashes, continue to Part III of this section
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| #** You may also restore backups of any lost DSiWare apps/games at this point if you want to
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| ==== Section V, Part III - Manual TWLFix ====
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| {{warning|1=This part of this section will permanently remove the console's ability to redownload a vital piece of DS mode software from Nintendo's servers.
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| This will not be an issue if your DS mode does not brick a second time, but if it does, then [[3DS:TWLFix|a regular TWLFix]] and the methods in Part I/Part II will always fail - only this variant will work.}}
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| # Follow [https://gist.github.com/StarlitSkies/3fc41caeef3d578e9a3a51c3b2f1bafc the manual TWLFix guide]
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| # If DS mode still crashes, continue to Section VI
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| === Section VI - 3ds_hw_test ===
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| # Power off your console and insert the SD card into your computer
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| # Download [[Media:3ds_hw_test.zip|3ds_hw_test.zip]] and extract <code>3ds_hw_test.firm</code> from it
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| # Place this file in <code>sd:/luma/payloads</code> on the SD card
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| # Reinsert the SD card into your console
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| # Hold {{B|START}}, and while holding {{B|START}} power on the console
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| # Select <code>3ds_hw_test</code>
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| # Press any button to start the test
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| # The test will take up to 45 minutes - when it's done, press any button to turn it off
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| # The file <code>HWTEST.LOG</code> will have been created on the SD root - open this file in a text editor
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| #* '''GodMode9''' will work for this
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| # Scroll down to the end and look at the number of errors
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| #* If this number is more than 0, your console's RAM is dying and you need to replace the motherboard
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| If the above number of errors is zero, you have now exhausted all of the conventional fixes. Go to [https://discord.gg/C29hYvh the Nintendo Homebrew Discord], ask for help, and mention that you've tried this page already.
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| [[Category:Unbricking]]
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| [[Category:Nintendo 3DS guides]]
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