Cover art missing on local files on iPhone

[DJCarlos]

Plan

Premium

Country

Sweden

Device

iPhone SE, MacBook Pro

Operating System

iOS 13.4.1

My Question or Issue

Why is the cover art missing on synchronized local files on my iPhone? Not sure how long this has been going on, the cover art is fine on desktop and I think this has been working before. But after scrolling around in here for a while, this seems to have been a problem for years.

[Onewave]

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@DJCarlos wrote:

Why is the cover art missing on synchronized local files on my iPhone? Not sure how long this has been going on, the cover art is fine on desktop

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Thanks for reaching out. I've already answered about this here. I think it's because Mobile app loads cover images from Spotify servers, while Desktop app takes covers from files, same way iTunes does. I never had cover art for local files on Mobile, I doubt it was ever working before. 

[DJCarlos]

Are you sure about this? I actually don't know if it's always been like this, but I am pretty sure I applied cover art in iTunes and then moved those files to another folder. Wouldn't this indicate that the cover art is embedded in iTunes?

[Onewave]

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@DJCarlos wrote:

Wouldn't this indicate that the cover art is embedded in iTunes?

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Yes, that's what I'm talking about. iTunes embed cover into .m4a files. Spotify Desktop app reads those covers easily. But Mobile app only loads album cover images from Spotify servers. If you look for images string here, you'll see how they store covers online.

"images" : [ {
    "height" : 640,
    "url" : "https://i.scdn.co/image/07c323340e03e25a8e5dd5b9a8ec72b69c50089d",
    "width" : 640
  }, {
    "height" : 300,
    "url" : "https://i.scdn.co/image/8b662d81966a0ec40dc10563807696a8479cd48b",
    "width" : 300
  }, {
    "height" : 64,
    "url" : "https://i.scdn.co/image/54b3222c8aaa77890d1ac37b3aaaa1fc9ba630ae",
    "width" : 64
  } ]

I still have problem with album cover art glitch, so I took time to learn the issue.