The only entirely legal method to obtain these files is to dump them directly from your own, physically owned Nintendo 3DS console. To do this, your console must be modified with custom firmware (such as Luma3DS) to export the necessary system dats and encryption keys to your SD card. How to Set Up 3DS System Files on Android
Snapdragon 845 or higher (Qualcomm Snapdragon processors with Adreno GPUs offer the best driver support and performance). MediaTek Dimensity and Exynos processors may experience graphical glitches. 3ds Emulator Bios File Download For Android
Some games may require specific regional settings to display text properly. Open your emulator settings, navigate to the tab, and ensure your Emulated Region and System Language match the region of the game ROM you are trying to play. Hardware Requirements for Smooth 3DS Emulation The only entirely legal method to obtain these