i recently bought a sandisk micro sd card 32gb hc genuine card, class 4....ive been trying to download music using the music junk app and i get down to 29.7 gbs and now i tried to reformat my 32gb card and now its only saying i have a maximum of 29 gbs and when i try to download music it lets me download 2 songs then tells me the sd card is full, even though when i go to my sd card settings in my phone it says i have 29gbs left....can someone help me with the predicament, im in vegas on vacation right now so ill try to get on as much as i can to check for replies