Why music cannot be transferred directly to the sd card

[AC Question]

i am trying to transfer all my playlists from my iPod to my Alcatel onetouch Idol X 6040A.
As I am transferring additional playlist, i notice that the content is kept in the internal memory whereas the playlists titles, in the sd "Music" folder.
Now, before the internal memory (5 Gb) is full, some files are transferred to the sd, until the internal memory is full (and then nor all the files are transferable).
The result: i cannot transfer my 20 Gb music to the 32 Gb sd card.
To be sure, under settings and storage i click on the "write to the sd card" button.

Hence my question : what should i do so that the music is transferred directly to the sd card.

 

[anon(238680)]

Welcome to Android Central. I would back up the music to a PC then transfer the music directly to the SD card. I don't know what you're using to transfer now.

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[Gamers International]

Make sure you've formatted your SD Card in this phone you have and then try going onto Play Music or your music app and select the music that you want and there should be a way to transfer to SD Card.