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# Flashing ntrboot (NDS)
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## Required Reading
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Before proceeding, ensure you have read all of the information on [ntrboot ](ntrboot )
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This method requires temporary access to a Nintendo DS or Nintendo DS Lite that is compatible with your flashcart. This method uses the flashcart to run the ntrboot flasher `.nds` file on your NDS.
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::: danger
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Note that in some rare circumstances, it may be possible for the flashing process to **brick** a counterfeit flashcart and render it permanently unusable. This is unlikely, but nevertheless, only original listed flashcarts are supported. To reduce the chance of receiving a counterfeit card, it is recommended that you use a reputable site to buy your flashcart (such as [NDS Card ](https://www.nds-card.com/ )).
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## What You Need
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* Your ntrboot compatible flashcart
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* Two consoles
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* **The source NDS / NDSL**: the Nintendo DS or Nintendo DS Lite which is compatible with your flashcart
* **The target 3DS**: the 3DS family console on stock firmware
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* The v1.3 release of [boot9strap-ntr ](https://github.com/SciresM/boot9strap/releases/download/1.3/boot9strap-1.3-ntr.zip ) (direct download)
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* The latest release of [ntrboot_flasher_nds ](https://github.com/jason0597/ntrboot_flasher_nds/releases/latest ) (`ntrboot_flasher_nds.nds`)
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## Instructions
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### Section I - Prep Work
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1. Power off **the source NDS / NDSL**
1. Insert your flashcart's SD card into your computer
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1. Create a folder named `ntrboot` on the root of your flashcart's SD card
1. Copy `boot9strap_ntr.firm` from the boot9strap ntr `.zip` to the `/ntrboot/` folder on your flashcart's SD card
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1. Copy `ntrboot_flasher_nds.nds` to your flashcart's SD card
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1. Reinsert your flashcart's SD card back into your flashcart
1. Insert your ntrboot compatible DS / DSi flashcart into **the source NDS / NDSL**
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### Section II - Flashing ntrboot
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1. Launch `ntrboot_flasher_nds.nds` on **the source NDS / NDSL** using your flashcart
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1. Press (A) to continue
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1. Use (Up) and (Down) to select your flashcart
1. Press (A) to continue
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1. Select "Dump flash" to make a backup of your flashcart's memory
1. Input the key combo given to confirm
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1. Press (A) to continue
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1. Use (Up) and (Down) to select your flashcart
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1. Press (A) to continue
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1. Select "Inject FIRM" to install boot9strap to your flashcart
1. Input the key combo given to confirm
1. Press (A) to continue
1. Power off **the source NDS / NDSL**
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1. Eject your flashcart from **the source NDS / NDSL**
___
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::: tip
Continue to [Installing boot9strap (ntrboot) ](installing-boot9strap-(ntrboot ))
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