Ensure you are working in the small FAT32 partition (usually labeled EMUELEC ), not the large STORAGE partition where the games are kept.
By understanding what this file does, how to swap it, and how to edit it, you transform from a passive user into an active engineer of your own gaming experience. super console x dtb.img
Using the wrong DTB file won't brick the device permanently, but it will prevent it from booting, often leaving you with a black screen. Ensure you are working in the small FAT32