Yes. Using an SD Card, you can play music on the DSi, DSi XL, and 3DS. However, it does not have a large enough hard drive to store all of your music so you have to bring your SD card whenever you want to play music. An SD card comes with the 3DS.Note: You cannot download music using the 3DS, only play music.
Whats a tf card? Team fortress? You need itunes
You need an external memory card.
You need a credit card or a nintendo dsi card.
You need to physically remove the memory card from the 3DS and add the music to it using a card reader on a PC or laptop.
Well..it depends what phone you have, but most phones need one(:
You need nintendo points to buy some of the things on the nintendo shop. To go on it click on the nintendo shop application. If it is not there you can download it for free.
Simply insert the card into a card reader/writer and copy the files over. If you don't have a card reader/writer, you will need to get one.
Yes you can. You need to get an SD card and put the music files on there. If you have itunes, you can click on each of the music files and select "create AAC version" and then move the AAC files to your SD card.
=You need help!! And it is not normal.=
On the Nintendo 3DS homescreen, there is an application called 3DS Sound. After you open it, the Nintendo 3DS will locate files that the music is stored in and you will be able to play it from there.
You need to buy a UBS chord to fit your phone. Then just download music like you would to a mp3. If you want a lot of songs I would suggest to get a memory card.