Ace3DS X Supports DS and 3DS games with Boot9strap NTRboot

FEATURES
http://www.ace3ds.com/

Hardware: Ace3DS X has a switch for 3DS mode and DS mode
3DS mode-NTRBOOT flashed FLASHCARD. Ace3DS X has been pre-flashed NTRBOOT and supports installing boot9strap on all 3DS consoles models & versions.
The using method of Ace3DS X is a little different from other flashcards, and you need to insert one FAT32 microSD card(maximum capacity is 128GB) to your flashcard.
The other steps of using Ace3DS X are the same as other flashcards. Follow the Installing boot9strap (ntrboot) instruction in 3ds.guide.
https://3ds.guide/installing-boot9strap-(ntrboot)
Change the step 3 as: Insert one FAT32 microSD card(maximum capacity is 32GB) to your flashcard, then insert your flashcard into your device
DS mode. It is ace3ds plus, the using method is the same as before.