Note from Wololo: This tutorial was initially published by /Talk member jovita85, as part of our monthly tutorial contest. Jovita85 won the best 3DS tutorial prize (a $10 PSN Code) in October for his entry. You can find the original post here.

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In this tutorial, I will teach you how to install and use the MT-card on your Nintendo 3DS.

You will need :

• The MT Card firmware available here.
• A MT-Card
• A 3DS / 3DS XL between version 4.1 and 4.5

Installing and updating the MT-Card can be done through these three steps:

• Installation of the blue cartridge
• Installation of launcher.dat & cheat.dat
• Installation of the hardware upd

Step 1: Install the blue cartridge:

1. Start by opening the zip update file. Inside should be BlueCard.rar (if there isn’t such file, it must be downloaded from the website of MT-Card).
2. Open BlueCard.rar
3. Drag all the contents inside the folder to the micro sd using your PC.
4. This will complete the installation of the Blue Card.

Step 2: Install of Launcher.dat & cheat.dat:

1. As before, open the archive and the folder of your sd card.
2. Slide Launcher.dat and cheat.dat files to your micro sd using your PC.
3. Put the SD card into the console.

Step 3: Hardware update:

1. Connect the yellow MT-Card to a free USB port on your PC using a micro usb cable.
2. Extract the MT_Card_Updater.exe file that can be found in the archive.
3. Run it and when asked if you are sure, click yes.
4. Wait for the update to be finished.

You are now ready to use your MT card.

How to use:

In order to use your MT-card, just put the blue card in your 3DS and launch MT_Installer.nds
Then go to Settings and then Nintendo DS profile and wait. You should be able to see the 3DS homebrews and applications you putted in your sd card. Press “Select” button or the mt-card to choose a homebrew.

Enjoy!