1 album with 10 mp3 files.
Current Issue ... Default Mp3tag settings for Mpeg is ID3v2.4 UTF-16. However when I set/save to ID3v2.4 UTF-16, Vietnamese language displays as squares/weird characters on my smartphone. No problem with the album art work cover image showing up. Instead 1 album showing on my smartphone "Galaxy S4", it shows multiple albums from the same album because due to Vietnamese language displays as squares/weird characters.
Mp3tag options 2 is to set ID3v2.4 UTF-8. However when I do that, I have had no problems with Vietnamese language displays, no funny squares/weird characters. But most of all, my Mp3 files are embedded with album art work but not showing on my smartphone. I reassure myself... to double-check... so I copied the same mp3 files to my USB flash drive than played in my car through a USB. It played fine without an issue and the album image showing on my stereo deck.
Solutions to Concussions: I just use Mp3tag to do my things. Remove all embedded image from my mp3 files and then saved all to ID3v2.4 UTF-8. Instead of trying to use Mp3tag, I'm using iTunes to embedded my album art work. It turn out to be fine no problem showing album image on my smartphone.
I'm not sure if this is something that I did or in my Mp3tag settings. Please help.