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BIOS/Firmware Dumping |
How to extract the Nintendo DS or DSi BIOS/Firmware from your console |
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Some emulators, such as melonDS, require the DS-mode or DSi-mode BIOS and firmware, which are available by extracting from your console. There are two distinct ways to achieve this, using:
- a DSi with Unlaunch, OR
- a DS/DS Lite/3DS or a DSi without Unlaunch, along with a flashcard compatible with the console
The DSi method will extract both the DS-mode and DSi-mode BIOS and firmware files. The flashcard method will only extract the DS-mode files.
{% capture tab-dsi-sd-card %}
This page assumes you are running a modern CFW environment from dsi.cfw.guide. {:.alert .alert-warning}
- Download dsibiosdumper
- Copy
dsibiosdumper.nds
from the dsibiosdumper.7z
file to the root of your SD card - Reinsert your SD card into your device
- With your device still powered off, hold the following buttons: A + B, and while holding these buttons together, power on your device
- Your device should have booted into the Unlaunch menu
- Launch dsibiosdumper from the list of applications
- Press A to dump everything
- Wait for the process to complete
- This can take a while
- After the process is complete, press SELECT to exit dsibiosdumper
- Power off your device
- Insert your SD card into your computer
All the necessary files will be in the dsidump
folder on the root of your SD card.
{:.alert .alert-success}
{% endcapture %} {% assign tab-dsi-sd-card = tab-dsi-sd-card | split: "////////" %}
{% capture tab-flashcard %}
- Download dsbf_dump (the
.nds
file) - Copy
dsbf_dump.nds
to the root of your SD card - Reinsert your SD card into your flashcard
- Power on your device
- Launch your flashcard
- Navigate to the root of your SD card, and launch dsbf_dump
- Wait for the process to complete
- After the process is complete, press START to power off your device
- On 3DS-family systems, it will instead show "Software closed". Power off your device from this screen
- Insert your SD card into your computer
All the necessary files will be in a folder specified on the top screen of your device. {:.alert .alert-success}
{% endcapture %} {% assign tab-flashcard = tab-flashcard | split: "////////" %}
{% assign tabs = tab-dsi-sd-card | concat: tab-flashcard %} {% include tabs.html index=0 tabs=tabs %}