Guide_3DS/_pages/en_US/include/bb3-prep.md

In this section, you will copy the files needed to trigger the BannerBomb3 exploit onto your device's SD card.

1. Power off your device
2. Insert your SD card into your computer
3. Open Bannerbomb3 Injector on your computer
4. Upload your movable.sed using the “Choose File” option
5. Click “Build and Download”

• This will download an exploit DSiWare called F00D43D5.bin and a payload called bb3.bin inside of a zip archive (DSIWARE_EXPLOIT.zip)

1. Copy bb3.bin from DSIWARE_EXPLOIT.zip to the root of your SD card

• The root of the SD card refers to the initial directory on your SD card where you can see the Nintendo 3DS folder, but are not inside of it
• This file does not need to be opened or extracted ![]({{ "/images/screenshots/bb3/bb3-root-layout.png" | absolute_url }}){: .notice--info}

1. Navigate to Nintendo 3DS -> <ID0> -> <ID1> on your SD card

• <ID0> is the 32-letter folder name that you copied in Seedminer
• <ID1> is a 32-letter folder inside of the <ID0>
• If you have multiple <ID1> folders, follow the instructions here ![]({{ "/images/screenshots/bb3/dsiware-location-1.png" | absolute_url }}){: .notice--info}

1. Create a folder named Nintendo DSiWare inside of the <ID1>

• If you already had the folder and there are any existing DSiWare backup files (<8-character-id>.bin) inside, copy them to your PC and remove them from your SD card

1. Copy the F00D43D5.bin file from DSIWARE_EXPLOIT.zip to the Nintendo DSiWare folder

![]({{ "/images/screenshots/bb3/dsiware-location-2.png" | absolute_url }}) {: .notice--info}