[Tutorial] How to Get Private Header from Original Game Cartridge and Use It on Other ROMS

Today lets share a small tool for extract private header from original game card.

files needed:

Gateway3DSHelper: http://filetrip.net/dl?kDDm8Rajru

.3ds game backup from original game card

Step 1: Extract Gateway3DSHelper and open Gateway3DSHelper.exe

Step 2: Change the path to you roms, double click the original .3ds game

h1

Step 3: Click export(导出) to get the private header, you will find .bin in the file, it is the private header for this game.

h2

h3

Use this Private header:

Step 4: Choose game you want to play online, click import(导入) to choose the .bin file you just made

h4

Step 5: Change the unpaired information until them paired, Factory(芯片厂商), ROM size(ROM 大小), Unknown(未知), card type(卡带类型)

h5

Tips: don’t change the cartridge ID,

factory option: C2 AE 45, choose the one your original card is.

ROM size: choose the size your game is

Unknown: most of this is 00

Card type: only 2 option, just change to another if it not pair

Step 6: Click apply(应用) to use this private header

Step 7: Last but important, don’t forget click Change the extension to .3dz(修改扩展名为.3dz), then online…

h6

Tips: don’t play US ROMs online on JP 3DS, you can use EU 3DS play US roms

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