I started using Spotify Premium on my Windows PC and Iphone5 today. I am not able to download random files of my local data. I put them in a playlist. Some work, others don't. When I restart the download sometimes some of the files work but I loose other music files. I am not able to download a full playlist at all.
Could you please help me? I already deinstalled spotify on my desktop and also on my phone but it did not help. They are mp3 files. I would really need your help to listen to my favourite remixes... Thank you. :)