88 lines
4.6 KiB
Text
88 lines
4.6 KiB
Text
---
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title: "Uninstall CFW"
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---
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{% include toc title="Table of Contents" %}
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### Required Reading
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This will completely remove CFW from your device, including Boot9Strap and Luma3DS, for the purpose of restoring the device to stock.
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This is almost never the solution to fix any issues you encounter with your CFW installation. A better idea would be to read the [troubleshooting](troubleshooting) page or ask (in English) for help at [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp).
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{: .notice--danger}
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Any unsigned (illegitimate) games will be rendered unusable and should be manually removed before starting this process by using the Data Management section of the System Settings. Use a [save manager](https://github.com/FlagBrew/Checkpoint/releases/latest) to backup any saves for these unsigned (illegitimate) games you care about.
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This will not affect your NNID, any legitimately purchased games, or any saves for those legitimately purchased games.
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If you have modified critical system software (such as editing the home menu, unbanning your console, etc), uninstalling CFW may BRICK your device!
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{: .notice--danger}
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Note that if ye have any payload files other than `GodMode9.firm` in th' `/luma/payloads/` folder on ye SD card, holdin' (Start) on boot gunna display a "chainloader menu" where ye gunna have to use th' D-Pad 'n th' (A) button to select "GodMode9" fer these instructions.
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### What You Need
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* The latest release of [GodMode9](https://github.com/d0k3/GodMode9/releases/latest)
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### Instructions
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#### Section I - Safety Test
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1. Power off ye device
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1. Insert ye SD card into ye computer
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1. Copy `GodMode9.firm` from th' GodMode9 `.zip` to th' `/luma/payloads/` folder on ye SD card
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1. Copy th' `gm9` folder from th' GodMode9 `.zip` to th' root 'o ye SD card
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1. Reinsert ye SD card into ye device
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1. Launch GodMode9 by holdin' (Start) durin' boot
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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
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1. If ye be prompted to fix th' RTC date&time, press (A) to do so, then set th' date 'n time, then press (A) to continue
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+ Note that, if you had to fix the RTC date and time, you will have to fix the time in the System Settings as well after this guide
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1. Navigate to `[1:] SYSNAND CTRNAND > title > 00040138 > (X)0000002 > content`
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+ On a "New" edition console, the (X) will instead be 2
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+ On an "Old" edition console, the (X) will instead be 0
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1. Select the `.app` file
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1. Select `NCCH Image Options`
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1. Select `Mount image to drive`
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1. In the window that appears, open the `exefs` folder
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1. In this folder, select the `.firm` file
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1. Select "Firm Options"
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1. Select "Boot Firm"
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1. When prompted, choose to decrypt and make a copy
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1. You should boot into the regular 3DS Home Menu. If you do, power your device off and continue to the next section
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+ If you do NOT boot into the regular 3DS Home Menu, continuing with these instructions **WILL** brick your device. You should join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp) and ask (in English) for someone there to assist you
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#### Section II - Prep Work
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1. Power on your device
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1. Navigate to System Settings > Data Management > Nintendo 3DS > Software
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1. In this list of software, delete any non-Nintendo content you installed while using CFW
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+ This includes common system software such as FBI, Anemone3DS, Luma Updater, Homebrew Launcher, Checkpoint, and others, along with any non-eShop games
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1. Navigate to Data Management > DSiWare
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1. In this list of software, delete any non-Nintendo content you installed while using CFW
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+ This includes software such as TWiLightMenu++, along with any non-eShop games
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+ Failure to remove all CFW software from both the 3DS and DSiWare sections before uninstalling CFW may prevent or disable access to the Data Management menu after uninstalling CFW
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1. Power off ye device
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#### Section III - Running Uninstall Script
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1. Launch GodMode9 by holdin' (Start) durin' boot
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1. Press (Home) to bring up th' action menu
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1. Select "Scripts..."
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1. Select "GM9Megascript"
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1. Select "Hax Options"
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1. Select "Un-install Hax"
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1. When prompted, push (A) to proceed
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1. Press (A) to unlock SysNAND (lvl3) writing, then input the key combo given
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1. Press (A) to continue
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1. Press (B) to return to the main menu
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1. Select "Exit"
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1. Press (A) to relock write permissions if prompted
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1. Press (Start) to reboot ye device
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___
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All custom firmware has been removed from your device.
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{: .notice--success}
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You can now remove any extra files and folders from the root of your SD card that are *not* the `Nintendo 3DS` or `DCIM` folders.
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{: .notice--info}
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