How to Convert DS Game Downloads to R4

Written by cory birdsong
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An R4 is a DS game card with a slot for a MicroSD card, allowing you to put independently created "home brew" games and applications onto your DS. Using one is as simple as using a thumb drive.

Skill level:

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Things you need

  • R4 card
  • MiniSD card
  • USB MiniSD card reader

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    Moving the Games

  1. 1

    Plug your MicroSD card reader into your computer, and insert the MicroSD card.

  2. 2

    Navigate to the MicroSD card on your computer. On a Windows computer, it will be in My Computer, and on a Mac, it will be in the Finder's sidebar.

  3. 3

    Open another window and navigate to your DS game files.

  4. 4

    Drag the game files onto the MicroSD card.

  5. 5

    If you already have the R4's kernel installed, you are finished. Eject the MicroSD card, insert it into the R4 and play some games.

    Installing the R4's Kernel

  1. 1

    If you haven't, you'll need to download the R4's latest kernel and put that on your card. You can find a link to it in the Resources section below.

  2. 2

    Unzip the .zip file you downloaded.

  3. 3

    Drag the contents of the .zip file onto the MicroSD card.

  4. 4

    Eject the MicroSD card, insert it into your R4 and play some games.

Tips and warnings

  • Using the R4 with game files of commercially sold games is illegal.
  • The R4 is not compatible with the Nintendo DSi.

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