For Nintendo 3DS on the 3DS, a GameFAQs message board topic titled 'how large of micro sd card can i use in the new nintendo 3ds xl handheld?' How to Use microSD Management to Move Files between a New Nintendo 3DS XL and a PC. In this article, you'll learn how to access the microSD Card via PC using microSD Management. You may also find our information on how to transfer data from one Nintendo 3DS to another helpful. You Need A Friggin' Screwdriver To Change Memory Cards In The New 3DS. You may also like. It's because the SD card slot is underneath the hood. You need to pop off the back plate of the 3DS. So I wanted to say that I bought a sandisk 64 gb micro sd card and it says 'cannot detect a micro sd card' on my new 2DS xl even after following a guide of lofi-gaming following guide and an another formatter. The micro sd card was brand new and I just came back to France from US and can't even return it.

Note

In the down position, the SD Card write-protection switch will prevent you from saving or erasing data. In the up position, you can save and erase data on the SD card.
Ensure the system is powered off before removing or inserting an SD card or microSD card.

Complete these steps

New 3ds Xl Sd Card

For Nintendo 3DS, Nintendo 3DS XL, Nintendo 2DS, New Nintendo 2DS XL

Open the SD card slot cover.
- For Nintendo 3DS, the SD card slot is located on the left side of the system.
- For Nintendo 3DS XL and Nintendo 2DS, the SD card slot is located on the right side of the system.
- For New Nintendo 2DS XL, the microSD card slot is located on the front side of the system.
Ensure that the SD card is facing label-side down and insert it into the SD card slot until it clicks into place.
Close the SD card slot cover.

For New Nintendo 3DS, New Nintendo 3DS XL

New 3ds Xl Micro Sd Slot

Remove the battery cover from the system. Unsure how to remove the battery cover? Learn more about changing the Nintendo 3DS Battery Pack.
Ensure that the microSD card is facing away from the system and insert it into the microSD card slot until it clicks into place.
Replace the battery cover.

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