How to Get Wi-Fi for an Emulator

Written by john johnston
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An emulator allows you to play a variety of different video games on your computer. When you're playing a Nintendo DS, you can use the built-in Wi-Fi feature to link up with other players and trade game items. DeSmuME is a Nintendo DS feature that allows you to use the Wi-Fi feature in the emulator. However, to legally play a game on an emulator, you must also own a physical copy of the game. You must have Internet access on your computer for this to work.

Skill level:
Moderately Easy


  1. 1

    Open your Internet browser, and navigate to the DeSmuME website.

  2. 2

    Click "Download" to download the emulator to your computer.

  3. 3

    Open the DeSmuME emulator on your computer.

  4. 4

    Click the "Config" button, and select "Wi-Fi Settings." Tick the "Infrastructure" box. Select the drop-down menu for "Bridge Network Adapter," and select your network card on your computer that is connected to your network. Click "OK" to save the changes.

  5. 5

    Select "Config" and choose "Emulator Settings." Tick the box next to "Use external BIOS images." Select "ARM9 BIOS image," and then choose the "biosnds9.bin" file found in the "Wi-Fi folder with your DeSmuME emulator.

  6. 6

    Select the "ARM7 BIOS image." Select "biosnds7.bin" and select "Open." Untick the "Emulate SWIs with BIOS image" and "Patch DelayLoop SWI" boxes.

  7. 7

    Click on the "Firmware Image" box, and select the "firmware.bin" file in your Wi-Fi folder. Tick the box "Boot from firmware." Click "OK."

  8. 8

    Click the "Open ROM" button, and select a ROM game you would like to play. Click the "Open" button.

  9. 9

    Select "Wi-Fi Settings" in the game. You will find this under the main menu when you load the game. Select "Search for Access Point." The game will then find a network to which you can connect the Wi-Fi. Select the network to connect your game to Wi-Fi. If it doesn't connect the first time, open and close the game. Repeat this process until it connects. You must do this every time you start the game in the emulator.

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