MT-Card now is in stock on! According to our test, it indeed can play several 3DS roms in one Micro SD card.

As for how to Set up MT-Card 3DS to Play multi-rom/3DS Games, you can follow the steps below:


(1) MT-Card (blue card + yellow card)

(2) 3DS/3DS XL/LL (system version 4.1.0–4.5.0)

(3) Micro SD card (4GB/8GB/16GB/32GB)

Step1: Set up the Blue Card
A) Format the MicroSD card (FAT32)


B) Download “Blue card file” [Download], unzip and open the folder, copy all files to the root of the MicroSD card.


Step2: Run MT_INSTALLER.NDS (repeat on every DS mode entry) .

A) Insert the MicroSD card into the blue card and put it into your 3DS/3DS XL. Then press KEY A go to the menu of BlueCard;


B) Running MT_INSTALLER.NDS in BlueCard menu, and selecting your console type, then press KEY A to exit after finished.


Step3: Prepare the SDcard of 3DS/3DS XL console


Download the “SD card file” [Download]. Extract and open it, copy Launcher.dat to the ROOT of the SDcard of your 3DS/3DS XL console (version 4.1‐4.5 only).

Step4: Run Launcher.dat (repeat every power cycle)
Choose “System Settings”‐>”Other Settings”‐>”Profile”‐>”Nintendo DS Profile” on the Menu of
3DS console, and the console will restart soon.


Step5: Copy games (and saves)
A) Prepare the Yellow Card and a MicroSD card (Sharing with the BlueCard is OK), and format the MicroSD card as FAT32;


B) Copy 3DS ROMs (*.3ds) and SAVEs (*.sav) to the ROOT of the MicroSD card. (The MT‐Card will create a 512KB .sav for you if it can’t find a save file with the same name. BTW, the 4GB ROMs please trimmed first. )


Step6: Menu operation
A) You can enter the menu of Launcher.dat by pressing KEY L when choosing “Nintendo DS Profile”, and you can use KEY LEFT
and RIGHT to select functions (Pressing KEY A to choose, the other functions are being developed, coming soon);


B) You can choose “Go Menu” return to themenu of console, and you can quick return by pressing KEY R anywhere also;
C) You can choose “Select Game” to select the ROM to run, pressing KEY UP and DOWN forselecting file,
pressing KEY LEFT and RIGHT for page up and page down, and KEY A for OK, KEY B for cancel.


Step7: Switching games by pressing KEY
The MT‐Card has a KEY build‐in, you can switch the game by pressing the KEY on the menu of 3DS console.
It will be locked when starting the game, and will be released after exiting the game by pressing KEY HOME.
Please pressing the KEY again after the game icon display is completed. It will lead to the console disorder if
you pressing the KEY very quickly, please re‐insert the MT‐Card in that case.
Step8: About the SAVE
The MT‐Card saves the game SAVE to the .sav file with the same name at the same time. It is necessary to
pressing KEY HOME to backup the game SAVE, you can even pull out the MT‐Card after saved in the game,
and you can backup the game SAVE by copying it to PC also.



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