3DS:DS mode unbrick: Difference between revisions

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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]]

#* 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

#* 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 V

=== Section II - ~~Bizarre Edge Cases~~ ===

=== Section II - TWLFix Triad ===

~~# Power off your console and insert the SD card into your computer~~

==== Section II, Part I - Regular TWLFix ====

~~# Open the file <code>sd:/luma/config.ini</code> in a text editor~~

~~# Scroll down until you find the variables <code>disable_arm11_exception_handlers</code> and <code>enable_dsi_external_filter</code>~~

~~#* These variables should both be set to 0; if either of them are not, set them to 0 now~~

~~# Exit the text editor, remove the SD card, and reinsert the SD card into your console~~

~~# Power on your console~~

~~# Open [[3DS:FBI|'''FBI''']], then go into '''Remote Install''' -> '''Scan QR code'''~~

~~# Check whether the camera works, then press {{B|X}} and similarly check the other camera~~

#* 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

~~# Power off the console, then power on again while holding {{B|SELECT}} to access the [[3DS:Luma3DS/Configuration|Luma3DS configuration menu]]~~

~~# If either of the following settings are enabled, disable them:~~

~~#* <code>Enable loading external FIRMs and modules</code>~~

~~#* <code>Enable game patching</code>~~

~~# Either press {{B|START}} or select <code>Save and exit</code>, then attempt to open something that uses DS mode~~

#* 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 their respective settings back on

~~#* If DS mode still crashes and the camera works, continue to Section III~~

~~=== Section III - NVRAM Analysis ===~~

==== Section ~~III, Part I - Corruption Check ====~~

~~# Open '''System Settings''' -> '''Other Settings''' -> '''Profile''' -> '''Nintendo DS Profile'''~~

~~#* If this crashes, continue to Part~~ II ~~of this section~~

~~#* If this does not crash, skip to Section IV~~

~~==== Section III, Part II - ctrcheck ====~~

~~# Follow the instructions on [[3DS:ctrcheck|the ctrcheck page]]~~

~~# If you did not get <code>Critical: NVRAM is inaccessible</code>, then reboot after trying all other applicable fixes and continue to Part III of this section~~

~~==== Section III, Part III - Restoration ====~~

~~# Follow the instructions on [[3DS:NVRAM|the Fix NVRAM page]]~~

~~#* If the DS Profile does not crash after this, attempt to open something that uses DS mode (the DS Profile only uses NVRAM, not DS mode)~~

~~#** If DS mode still crashes, continue to Section IV~~

~~=== Section IV - TWLFix Triad ===~~

~~==== Section IV~~, Part I - Regular TWLFix ====

# Download {{GitHub|MechanicalDragon0687/TWLFix-CFW/releases/download/1.3.1/TWLFix-CFW.3dsx|TWLFix-CFW.3dsx}} (direct download)

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#* If DS mode still crashes, continue to Part II of this section

==== Section IV, Part II - Semi-Manual TWLFix ====

==== Section II, Part II - Semi-Manual TWLFix ====

{{warning|If you have installed any DSiWare games/apps, be aware that these will also be removed by CompleteDSiWareUninstaller. If you do not want to have to reinstall them afterward,use a tool such as [[3DS:GodMode9|GodMode9]] or [[3DS:FBI|FBI]] to make individual <code>.cia</code> backups of the apps before starting the below instructions.}}

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#** If reinstalling these backups causes DS mode to start crashing again, the apps in question are corrupt. Redo this section and delete the <code>.cia</code>s

==== Section IV, Part III - Manual TWLFix ====

==== Section II, Part III - Manual TWLFix ====

# Power off your console and insert your SD card into your computer

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# Exit FBI, then power off your console and power on again

# Attempt to open something that uses DS mode

# If DS mode still crashes, continue to Section V

# If DS mode still crashes, continue to Section III

=== Section III - Bizarre Edge Cases ===

# Power off your console and insert the SD card into your computer

# Open the file <code>sd:/luma/config.ini</code> in a text editor

# Scroll down until you find the variables <code>disable_arm11_exception_handlers</code> and <code>enable_dsi_external_filter</code>

#* These variables should both be set to 0; if either of them are not, set them to 0 now

# Exit the text editor, remove the SD card, and reinsert the SD card into your console

# Power on your console

# Open [[3DS:FBI|'''FBI''']], then go into '''Remote Install''' -> '''Scan QR code'''

# Check whether the camera works, then press {{B|X}} and similarly check the other camera

#* 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

# Power off the console, then power on again while holding {{B|SELECT}} to access the [[3DS:Luma3DS/Configuration|Luma3DS configuration menu]]

# If either of the following settings are enabled, disable them:

#* <code>Enable loading external FIRMs and modules</code>

#* <code>Enable game patching</code>

# Either press {{B|START}} or select <code>Save and exit</code>, then attempt to open something that uses DS mode

#* 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 their respective settings back on

# If DS mode still crashes and the camera works, continue to Section IV

#* If the camera does not work, then this is a hardware issue, and this guide will not fix broken hardware.<br>Instead, try disconnecting the camera from the motherboard, then obtain a replacement camera if that does not help

=== Section IV - NVRAM Analysis ===

==== Section IV, Part I - Corruption Check ====

# Open '''System Settings''' -> '''Other Settings''' -> '''Profile''' -> '''Nintendo DS Profile'''

#* If this crashes, continue to Part II of this section

#* If this does not crash, skip to Section V

==== Section IV, Part II - ctrcheck ====

# Follow the instructions on [[3DS:ctrcheck|the ctrcheck page]]

# If you did not get <code>Critical: NVRAM is inaccessible</code>, then reboot after trying all other applicable fixes and continue to Part III of this section

==== Section III, Part III - Restoration ====

# Follow the instructions on [[3DS:NVRAM|the Fix NVRAM page]]

#* If the DS Profile does not crash after this, attempt to open something that uses DS mode (the DS Profile only uses NVRAM, not DS mode)

#** If DS mode still crashes, continue to Section V