Guide_3DS/_pages/en_US/flashing-ntrboot-(3ds-single-system).txt

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title: "Flashing ntrboot (3DS Single System)"
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Before proceeding, ensure you have read all of the information on [ntrboot](ntrboot)

This method requires nothing more than your stock unhacked 3DS and a compatible flashcart.

Note that more recent 3DS versions have blocked access to some flashcarts. This leaves them unable to launch the flasher `.nds` file on newer versions. The ntrboot compatible flashcarts are able to launch `.nds` files under the following versions:

  + [R4i Gold 3DS RTS](http://www.nds-card.com/ProShow.asp?ProID=149) : All Versions <= 11.5.0
  + [Acekard 2i](http://www.nds-card.com/ProShow.asp?ProID=160) : All Versions <= 4.3.0

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](http://www.nds-card.com/))
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#### What you need

* Your ntrboot compatible flashcart
* The latest release of [ak2i_ntrcardhax_flasher](https://github.com/d3m3vilurr/ak2i_ntrcardhax_flasher/releases/latest) *(`dsi` flasher; not the standard flasher)*

#### Instructions

##### Section I - Prep Work

1. Power off your device
1. Insert your flashcart's SD card into your computer
1. Copy `ak2i_ntrcardhax_flasher_dsi.nds` to your flashcart's SD card
1. Reinsert your flashcart's SD card back into your flashcart
1. Insert your ntrboot compatible DS / DSi flashcart into your device

##### Section II - Flashing ntrboot

1. Launch `ak2i_ntrcardhax_flasher_dsi.nds` on your device using your flashcart
1. Press (A) to continue
  + If you are using an Acekard 2i and wish to restore your flashcart to stock later, make a note of the "HW Rev"
1. Press (A) to "inject ntrboothax"
1. Press (A) to select "RETAIL"
1. Press (B) to "EXIT"

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Continue to [Installing boot9strap (ntrboot)](installing-boot9strap-(ntrboot))
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