To set an alarm tone to an audio file that is not pre-loaded, please do the following:
1. Download 3rd party file explorer (For example: https://play.google.com/store/apps/details?id=com.estrongs.android.pop&hl=sv)
2. Install app
3. When choosing alarm tone, you will now get new question, see picture 1.
4. Choose your new file explorer and press “Just once” (or always if you always want to use this explorer), see picture 2.
5. Navigate to where you downloaded your mp3 file (Normally in “Download”) and press it. See picture 3.