drupal 8 get file url from target id

$image_url = $media->field_media_image->entity->getFileUri();
file_create_url($image_url);

use Drupal\media\Entity\Media;
use Drupal\file\Entity\File;

$media = Media::load($mid);
$fid = $media->field_media_image->target_id;
$file = File::load($fid);

$url = $file->url();