Once scanned, the console's internal Wi-Fi communicates directly with the host server to download and install the software. This method is highly favored because it eliminates the need to physically remove the SD card or use a computer as an intermediary.
Ensure you have enough space on your SD card to download and unpack the CIA file. Alternatives to QR Codes download free ds games qr code
This is the standard open-source CIA installer for the 3DS. It includes a built-in network installation feature that uses the console's physical cameras to scan QR codes. download free ds games qr code