Mobile audio upload returning octet/stream - php

Question

On desktop, the upload works correctly, but when I try to upload from a mobile device, it says that the extension is outside the array, and print returns octet-stream, any thoughts? I can't see what could be wrong. I have tried many audio extensions, checked MIME and tested with a few smartphones, no success.
if (isset($_POST['submit_atrack'])) {
$fileinfo=PATHINFO($_FILES["audio"]["name"]);
$newFilename=$fileinfo['filename'] . uniqid($usr_idLogged) . "." . $fileinfo['extension'];
move_uploaded_file($_FILES["audio"]["tmp_name"],"atracks/" . $newFilename);
$location = 'atracks/' . $newFilename;
$formatos = array('audio/mpeg', 'audio/ogg', 'audio/mp3', 'audio/*', 'audio/wav');
$tamanho_max = 500000000; //500 mb
if (empty($_FILES['audio']['name']))
{
$upload_empty = urlencode("empty");
header("Location:playlist?newtrack=".$upload_empty . "&playlist=" . $selectedPlaylist);
exit;
}
else if (!in_array($_FILES['audio']['type'], $formatos))
{
$upload_incorrectformat = urlencode("incorrectext");
header("Location:playlist?newtrack=".$upload_incorrectformat . "&playlist=" . $selectedPlaylist);
exit;
}
else if (in_array($_FILES['audio']['type'], $formatos))
{
if($_FILES['audio']['size'] >= $tamanho_max)
{
$upload_maxsize = urlencode("maxsizereached");
header("Location:playlist?newtrack=".$upload_maxsize . "&playlist=" . $selectedPlaylist);
exit;
}
else
{
$atitle = mysqli_real_escape_string($connection, $_POST['atitle']);
$atag = mysqli_real_escape_string($connection, $_POST['atag']);
$atagcolor = mysqli_real_escape_string($connection, $_POST['atagcolor']);
mysqli_query($connection,"INSERT INTO tbl_users_atrack (atrack_title, atrack_path, atrack_tag, atrack_tagColor, atrack_playlistId) VALUES ('$atitle', '$location', '$atag', '$atagcolor', '$selectedPlaylist')");
$upload_success = urlencode("success");
header("Location:playlist?newtrack=" . $upload_success . "&playlist=" . $selectedPlaylist);
exit;
}
}
}