⏰ In A Nutshell
Yes, if you upload your music file (mp3 format) to your phone, you can set it as an alarm ringtone.
⏰ To Elaborate
- On the alarm editing page, tap "Ringtone".
- Among "Classic," "Loud Ringtones," and "Music," select the "Music" category.
- Music files in your device will be loaded.
- Select the music file you want and don't forget to press OK button at the bottom.
⏰ Keep This In Mind
You cannot select music files with DRM*.
*DRM (Digital Rights Management) : When you download a DRM protected music file via a music platform, you can listen to the music without consuming data. However, as the copyright is protected, you cannot access the music permanently but only within the expiration date.