---
title: "Restoring / Updating CFW"
---

{% include toc title="Sisällysluettelo" %}

### Tärkeää tietoa

This page prepares consoles with an existing modern boot9strap installation for reinstallation and/or updating of custom firmware applications. It can also be used in the event of a lost or corrupted SD card.

### Tarpeet
* The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest)
* The latest release of [GodMode9](https://github.com/d0k3/GodMode9/releases/latest)

### Ohjeet

#### Vaihe I – Valmistelut

1. Aseta SD-korttisi tietokoneeseesi
1. Copy `boot.3dsx` and `boot.firm` from the Luma3DS `.zip` to the root of your SD card, replacing any existing files
  + 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
1. Copy `GodMode9.firm` from the GodMode9 `.zip` to the `/luma/payloads/` folder on your SD card, replacing any existing file
  + If the `luma` or `payloads` folder doesn't exist, create them
1. Copy the `gm9` folder from the GodMode9 `.zip` to the root of your SD card, merging it with any existing folder and replacing any existing files
1. Aseta SD-korttisi takaisin konsoliisi

#### Section II - Configuring Luma3DS

1. Turn on your device
	* You should now see a Luma3DS configuration menu
1. Käytä (A):ta ja ristiohjainta ottaaksesi seuraavat asetukset käyttöön:
	* **"Show NAND or user string in System Settings"**
1. Paina (START)-painiketta tallentaaksesi ja käynnistääksesi uudelleen

#### Section III - CTRNAND Luma3DS

1. Sammuta konsolisi
1. Press and hold (Start), and while holding (Start), power on your device. This will launch GodMode9
  + If you do not boot into GodMode9, ensure that GodMode9.firm is in `/luma/payloads/` and that `payloads` is correctly spelled
1. Jos sinua kehotetaan korjaamaan RTC-aika ja -päivämäärä, paina (A):ta ja aseta ne oikein, paina sitten (A):ta jatkaaksesi
1. Paina (HOME)-painiketta näyttääksesi toimintovalikon
1. Select "Scripts..."
1. Select "GM9Megascript"
1. Select "Scripts from Plailect's Guide"
1. Select "Setup Luma3DS to CTRNAND"
  + This will copy the updated version of Luma3DS to internal memory so that your device will be able to boot without an SD card inserted
1. Paina kehotettaessa (A):ta jatkaaksesi
1. Paina (A):ta ottaaksesi käyttöön SysNANDiin kirjoittamisen (lvl1) ja syötä annettu painikeyhdistelmä
1. Paina (A):ta jatkaaksesi
1. Press (B), then navigate to "Exit" to exit GM9Megascript
  + When prompted, relock write permissions
1. Paina (HOME)-painiketta näyttääksesi toimintovalikon
1. Select "Poweroff system" to power off your device

The latest version of Luma3DS has been installed on your SD card and on internal memory.
{: .notice--success}
___

If you wish to re-install or update other homebrew applications, continue to [Finalizing Setup](finalizing-setup)
{: .notice--primary}