---
title: "Installing boot9strap (DSiWare Save Injection)"
---

Note that if you have any payload files other than `GodMode9.firm` in the `/luma/payloads/` folder on your SD card, holding (Start) on boot will display a "chainloader menu" where you will have to use the D-Pad and the (A) button to select "GodMode9" for these instructions. 

To be usin' th' [magnet](https://en.wikipedia.org/wiki/Magnet_URI_scheme) links on 'tis page, ye gunna be needin' a torrent client like [Deluge](http://dev.deluge-torrent.org/wiki/Download)

Before proceedin', ensure ye have read all 'o th' notices 'n warnin's on [Installin' boot9strap (DSiWare)](installing-boot9strap-(dsiware))

If you do not use the correct `.firm` corresponding to the target 3DS, you will BRICK! Ensure you download and use the correct one!
{: .notice--danger}

#### What ye need

* Two 3DS family devices
  + **The source 3DS**: the device running some kind of custom firmware (such as boot9strap or arm9loaderhax) *on the latest version*
  + **The target 3DS**: the device on stock firmware *on 11.5.0*
* Already own one of the following exploitable DSiWare games (a pirated copy of the game will **not** work) on **the source 3DS**
  + **Fieldrunners**
  + **Legends of Exidia**
  + **Guitar Rock Tour**  
  + **The Legend of Zelda: Four Swords**  
* The latest release of [3ds_dsiwarehax_installer](https://github.com/yellows8/3ds_dsiwarehax_installer/releases)
* Th' latest release 'o [GodMode9](https://github.com/d0k3/GodMode9/releases/latest)
* Th' latest release 'o [b9sTool](https://github.com/Plailect/b9sTool/releases/latest)
* Th' latest release 'o [boot9strap](https://github.com/SciresM/boot9strap/releases/latest) *(standard boot9strap; not th' `devkit` file, not th' `ntr` file)*
 
* Th' latest release 'o [Luma3DS](https://github.com/AuroraWright/Luma3DS/releases/latest) *(th' `.7z` file)*
* Th' Homebrew [Starter Kit](http://smealum.github.io/ninjhax2/starter.zip)
* The 11.4.0 / 11.5.0 (both versions have the same FIRM version) `.firm` corresponding to **the target 3DS** (either "OLD" for Old 3DS, or "NEW" for New 3DS):
  + <i class="fa fa-magnet" aria-hidden="true" title="'Tis be a magnet link. Use a torrent client to download the file."></i> - [`2.54-0_11.4_OLD.firm`](magnet:?xt=urn:btih:0dd89d42ad711f770da899af05ee162ede0d0070&dn=2.54-0_11.4_OLD.firm&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969%2Fannounce&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337%2Fannounce&tr=http%3A%2F%2Ftracker.opentrackr.org%3A1337%2Fannounce&tr=udp%3A%2F%2Fzer0day.ch%3A1337%2Fannounce&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969%2Fannounce&tr=udp%3A%2F%2Fexplodie.org%3A6969%2Fannounce&tr=http%3A%2F%2Fexplodie.org%3A6969%2Fannounce&tr=udp%3A%2F%2F9.rarbg.com%3A2710%2Fannounce&tr=udp%3A%2F%2Fp4p.arenabg.com%3A1337%2Fannounce&tr=http%3A%2F%2Fp4p.arenabg.com%3A1337%2Fannounce&tr=udp%3A%2F%2Ftracker.aletorrenty.pl%3A2710%2Fannounce&tr=http%3A%2F%2Ftracker.aletorrenty.pl%3A2710%2Fannounce&tr=http%3A%2F%2Ftracker1.wasabii.com.tw%3A6969%2Fannounce&tr=http%3A%2F%2Ftracker.baravik.org%3A6970%2Fannounce&tr=http%3A%2F%2Ftracker.tfile.me%2Fannounce&tr=udp%3A%2F%2Ftorrent.gresille.org%3A80%2Fannounce&tr=http%3A%2F%2Ftorrent.gresille.org%2Fannounce&tr=udp%3A%2F%2Ftracker.yoshi210.com%3A6969%2Fannounce&tr=udp%3A%2F%2Ftracker.tiny-vps.com%3A6969%2Fannounce&tr=udp%3A%2F%2Ftracker.filetracker.pl%3A8089%2Fannounce)
  + <i class="fa fa-magnet" aria-hidden="true" title="'Tis be a magnet link. Use a torrent client to download the file."></i> - [`2.54-0_11.4_NEW.firm`](magnet:?xt=urn:btih:3b59dd43eec3edb133555f58d1180bfb196acbb4&dn=2.54-0_11.4_NEW.firm&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969%2Fannounce&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337%2Fannounce&tr=http%3A%2F%2Ftracker.opentrackr.org%3A1337%2Fannounce&tr=udp%3A%2F%2Fzer0day.ch%3A1337%2Fannounce&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969%2Fannounce&tr=udp%3A%2F%2Fexplodie.org%3A6969%2Fannounce&tr=http%3A%2F%2Fexplodie.org%3A6969%2Fannounce&tr=udp%3A%2F%2F9.rarbg.com%3A2710%2Fannounce&tr=udp%3A%2F%2Fp4p.arenabg.com%3A1337%2Fannounce&tr=http%3A%2F%2Fp4p.arenabg.com%3A1337%2Fannounce&tr=udp%3A%2F%2Ftracker.aletorrenty.pl%3A2710%2Fannounce&tr=http%3A%2F%2Ftracker.aletorrenty.pl%3A2710%2Fannounce&tr=http%3A%2F%2Ftracker1.wasabii.com.tw%3A6969%2Fannounce&tr=http%3A%2F%2Ftracker.baravik.org%3A6970%2Fannounce&tr=http%3A%2F%2Ftracker.tfile.me%2Fannounce&tr=udp%3A%2F%2Ftorrent.gresille.org%3A80%2Fannounce&tr=http%3A%2F%2Ftorrent.gresille.org%2Fannounce&tr=udp%3A%2F%2Ftracker.yoshi210.com%3A6969%2Fannounce&tr=udp%3A%2F%2Ftracker.tiny-vps.com%3A6969%2Fannounce&tr=udp%3A%2F%2Ftracker.filetracker.pl%3A8089%2Fannounce)

#### Instructions

##### Section I - Set th' sails (prep work)

Use a [save manager](https://github.com/J-D-K/JKSM/releases/latest) to backup any saves you care about on *the target 3DS* (it will be formatted!)
{: .notice--warning}

1. Copy `GodMode9.firm` (or `GodMode9.bin` for arm9loaderhax users) from the GodMode9 `.zip` to the `/luma/payloads` folder on **the source 3DS**'s SD card
1. Copy the `gm9` folder from the GodMode9 `.zip` to the root of **the source 3DS**'s SD card
1. Copy the relevant `public.sav` from the `/dsiware/(8 Character ID)/` folder in the 3ds_dsiwarehax_installer `.zip` to the root of **the source 3DS**'s SD card
  + **Fieldrunners USA Region**: `4b464445`
  + **Fieldrunners EUR Region**: `4b464456`
  + **Legends of Exidia USA Region**: `4b4c4545`
  + **Legends of Exidia EUR Region**: `4b4c4556`
  + **Legends of Exidia JPN Region**: `4b4c454a`
  + **Guitar Rock Tour EUR Region**: `4b475256`
  + **Guitar Rock Tour USA Region**: `4b475245`
  + **The Legend of Zelda: Four Swords EUR Region**: `4b513956`   
  + **The Legend of Zelda: Four Swords USA Region**: `4b513945`  
1. Reinsert **the source 3DS**'s SD card
1. Boot **th' source 3DS** while holdin' (Start) to be launchin' GodMode9
1. Press (Home) to bring up th' action menu
1. Select "More..."
1. Select "Scripts..."
1. Select "Backup SysNAND"
1. Press (A) to confirm
  + 'Tis process gunna be takin' some time
1. Press (A) to continue
1. Hold (R) 'n press (B) at th' same time to eject **th' source 3DS**'s SD card
1. Insert **th' source 3DS**'s SD card into ye computer
1. Put **the target 3DS**'s SD card into your computer
1. **Backup every file on both 3DS's SD cards to two separate folders on your computer (keep track of which is which)!**
1. Reinsert each SD card back into their corresponding 3DS
1. Press (Start) on **the source 3DS** to reboot

##### Section II - Installing the Save

1. Boot **th' source 3DS** while holdin' (Start) to be launchin' GodMode9
1. Navigate to `[0:] SDCARD`
1. Press (Y) on `public.sav` to copy it
1. Press (B) to get back to the main menu
1. Navigate to `SYSNAND TWLN` -> `title` -> `00030004`
1. Navigate to the folder for your game and region:
  + **Fieldrunners USA Region**: `4b464445`
  + **Fieldrunners EUR Region**: `4b464456`
  + **Legends of Exidia USA Region**: `4b4c4545`
  + **Legends of Exidia EUR Region**: `4b4c4556`
  + **Legends of Exidia JPN Region**: `4b4c454a`
  + **Guitar Rock Tour EUR Region**: `4b475256`
  + **Guitar Rock Tour USA Region**: `4b475245`
  + **The Legend of Zelda: Four Swords EUR Region**: `4b513956`   
  + **The Legend of Zelda: Four Swords USA Region**: `4b513945`   
1. Navigate to the `data` folder
1. Press (X) on the existing `public.sav` to delete it
1. Input the key combo given to unlock SysNAND (lvl1) writing
1. Press (A) to continue
1. Press (B) to decline relockin' write permissions if prompted
1. Press (Y) to paste `public.sav`
1. Select "Copy path(s)"
1. Press (Start) to reboot **the source 3DS**
1. Launch your DSiWare game on **the source 3DS**
1. Test if the save is functional
  + **Fieldrunners**: Touch the 'Scores' button at the main menu
  + **Legends of Exidia**: After pressing (A) or (Start) at the two title screens, select the first save slot and press continue
  + **Guitar Rock Tour**: Scroll down and go to High-Scores -> Drums -> Easy    
  + **The Legend of Zelda: Four Swords**: Just start the game
  + If your game has an error about `boot.nds` or a white screen, **then the exploit has been successful**
  + If your game behaves normally and does not give you this error, then you should stop and figure out what went wrong
  + If you get a black screen, [follow this troubleshooting guide](troubleshooting#twl_broken)

##### Section III - System Transfer

1. **Backup every file on both 3DS's SD cards to two separate folders on your computer (keep track of which is which)!**
1. Reinsert each SD card back into their corresponding 3DS
1. If **the target 3DS** has a Nintendo Network ID on it, you must format the device using System Settings:
  + Go to the last page of "Other Settings" and select "Format System Memory", then follow all instructions
1. Read the following:
  + Your CFW 3DS = the source 3DS = "Source System"
  + Your Stock 3DS = the target 3DS = "Target System"
  + **Move DSiWare titles if prompted!**
  + Do **NOT** delete the source system's SD card contents if prompted
  + Make sure neither device's battery dies during the transfer
  + **Old 3DS or Old 2DS (source) to New 3DS or New 2DS (target) only**: if asked which method you wish to use to transfer the SD card data:
    + **Do NOT** choose the "Low-Capacity microSD Card Transfer" or minimal option (option 2), it will only transfer tickets and likely will not transfer the DSiWare save.
    + Fast Method: If you have the ability to move the data from the SD card (source) to the microSD card (target), when prompted use the "PC-Based Transfer" option (option 3).
    + Slowest Method: If you don't have the ability to move the data on a PC use the **full** "Wireless Transfer" option (option 1).
1. Go to [this link](http://en-americas-support.nintendo.com/app/answers/detail/a_id/227/) and follow Nintendo's official instructions for System Transferring from one system to another while keeping in mind what you just read

##### Section IV - Restoring the source 3DS

1. On **the source 3DS**, complete initial setup
1. Do one of the following
    + Do the rest of the sections and then the full guide on **the target 3DS**, then wait one week, then System Transfer from **the target 3DS** back to **the source 3DS** *(remember you cannot transfer back from a New 3DS or New 2DS to an Old 3DS or Old 2DS)*
    + Call Nintendo and tell them you no longer have access to the device that your NNID is linked to (which is **the target 3DS** in this case), and would like it linked to a different device (which is **the source 3DS** in this case)
    + You can also just [remove the NNID](https://3ds.guide/troubleshooting#rm_nnid) from **the source 3DS** if you'd prefer it remain on **the target 3DS**
1. Reboot **th' source 3DS** while holdin' (Start) to be launchin' GodMode9
1. If ye be prompted to create an essential files backup, press (A) to do so, then press (A) to continue once it has completed
1. Navigate to `[0:] SDCARD` -> `gm9` -> `out`
1. Press (A) on `<serialnumber>_nandmin_###.bin` to select it, then select "NAND image options...", then select "Restore SysNAND (safe)"
1. Press (A) to unlock SysNAND overwriting, then input the key combo given
  + This will not overwrite your boot9strap installation
1. Input the key combo given to unlock SysNAND (lvl1) writing
  + 'Tis process gunna be takin' some time
1. Once it has completed, press (A) to continue
1. Press (A) to relock write permissions if prompted
1. Press (Start) to reboot **the source 3DS**

##### Section V - Backing up the target 3DS's FIRM

1. Copy `boot.firm` from th' Luma3DS `.7z` to th' root 'o ye SD card
1. Copy `boot.nds` (B9STool) to the root of **the target 3DS**'s SD card
1. Copy _the contents of_ `starter.zip` to the root of **the target 3DS**'s SD card
1. Create a folder named `boot9strap` on the root of **the target 3DS**'s SD card
1. Copy the 11.5.0 `.firm` corresponding to **the target 3DS** to the `boot9strap` folder on the root of **the target 3DS**'s SD card
1. Copy `boot9strap.firm` from the boot9strap `.zip` to the `/boot9strap/` folder on your SD card
1. Launch your DSiWare game on **the target 3DS**
1. Launch b9sTool using your DSiWare game
  + **Fieldrunners**: Touch the 'Scores' button at the main menu
  + **Legends of Exidia**: After pressing (A) or (Start) at the two title screens, select the first save slot and press continue
  + **Guitar Rock Tour**: Scroll down and go to High-Scores -> Drums -> Easy
  + **The Legend of Zelda: Four Swords**: Just start the game
1. Select "Dump F0F1" to backup **the target 3DS**'s FIRM
1. Exit b9sTool
  + You may have to force power off by holding the power button
1. Put your SD card in your computer, then copy `F0F1_NEW3DS.bin` or `F0F1_OLD3DS.bin` (depending on your device) from the `boot9strap` folder to a safe location; make backups in multiple locations; this backup will save you from a brick if anything goes wrong
1. Reinsert your SD card into **the target 3DS**

##### Section VI - Flashing the target 3DS's FIRM

**Do NOT use b9sTool on a device that already has arm9loaderhax installed or you will BRICK!**
{: .notice--danger}

1. Launch your DSiWare game on **the target 3DS**
1. Launch b9sTool using your DSiWare game
  + **Fieldrunners**: Touch the 'Scores' button at the main menu
  + **Legends of Exidia**: After pressing (A) or (Start) at the two title screens, select the first save slot and press continue
  + **Guitar Rock Tour**: Scroll down and go to High-Scores -> Drums -> Easy
  + **The Legend of Zelda: Four Swords**: Just start the game
1. Select "Install boot9strap" and confirm
1. Exit b9sTool, then power off your device
  + You may have to force power off by holding the power button
1. Power on **the target 3DS**

##### Section VII - Configuring Luma3DS

1. Your device should have booted into the Luma3DS configuration menu
  + If ye get a black screen, [follow 'tis troubleshootin' guide](troubleshooting#ts_sys_b9s)
1. Use th' (A) button 'n th' D-Pad to turn on th' followin':    
  + **"Show NAND or user string in System Settings"**
1. Press (Start) to save 'n reboot
  + If ye be gettin' an error, jus' continue to th' next page

___

Continue to [Finalizin' Setup](finalizing-setup)
{: .notice--primary}