Android makes it very easy to add your own ringtones, notification sounds, and alarm sounds to your device. Simply move a sound file to the Notifications, Alarms, or Ringtones folder on your internal storage, and you're done. A new bug has popped up in Android 4.4.2, however, which could make this a bit more complicated. Currently, unless the sounds are added via a computer, they will not show up in your lists of available sounds.

Symptoms
The problem here is very straightforward. If you download an MP3 file directly onto your device, move it to its appropriate folder using an on-device file manager app like ES File Explorer or Root Explorer, and then attempt to select it, it will not show up in the list of available sounds.
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