How to Make a Game Boy Advance SP Into an MP3 Player
- 1). Insert your SD card into the SD card slot of your computer or reader.
- 2). Create a folder on the root of your SD card called "MP3," or make several folders divided into genre: "Rock," "Rap," etc. Copy your MP3 files into your chosen directory structure.
- 3). Eject and remove your SD card, and then insert this into the slot on your Nintendo MP3 Player.
- 4). Insert the Nintendo MP3 Player into the slot of your GBA SP and turn the system on.
- 5). Select the name of the directory containing the files you want to listen to. Use the D-pad to navigate the list of songs on the player, and press "A" to start a file playing. The device will continue playing songs in the selected directory until playback is halted with the "B" button.
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