IPhone users with iOS 11 can transfer music to listen offline on their mobile phone. When receiving a song via email or a messenger app, such as WhatsApp or Telegram , the Apple system provides the option to save these files using the native Files app. The procedure uses the smartphone’s built-in memory to create a library and no longer imports audio for the Music app.
See, in this tutorial, how to download and listen to free music without needing internet on iPhone. The tip works for recent smartphones like the iPhone 6S and iPhone 7 .
Step 1. When you receive a song by e-mail, tap the description of the file to prepare the download. Then, keep your finger on the file to open the options;
Like shown in the Image:-
The song(s) should immediately begin downloading to your device; you can see their progress by tapping the download bar at the top of the screen.
5.The playlist and its included songs should immediately begin downloading to your device; you can see their progress by tapping the download bar at the top of the screen. After the playlist is finished downloading, you’ll find it in your local playlists.
To reverse this, tap the dropdown again and turn the Show Music Available Offline switch off.
If you’ve downloaded entire albums or playlists, you’ll also be able to tell if they’re locally stored even without enabling the “Show Music Available Offline” switch: Just view the album or playlist; if it’s been saved offline, you’ll see a tiny grey iPhone icon in the upper right corner.