Geees!!!
This thread show me that there always be people believing that the stutter issue is a problem invented by some newbies and that have easy solution...
Guys this problem have come since the very moment was released the players with combination of Samsung ARM SA58700X07 processor with audio decoder Philips UDA1380TT, which drives Meizu M6 and M3.
The most clarifying thread concerning this issue was this
Stuttering music where our member The Torminator exchange several e-mails with Meizu spokesman, who accepted that is a problem of MP3 in Philips audio decoder.