Copy or move the mp3 files to the following folder. The SDcard equals your sd card drive letter if you use your computer to move the files or the root of your sd card if you use a file explorer on your phone.
SDcard\media\audio\notifications
Additionally to automatically put ringtones the ringtones list or alarm selection list
SDcard\media\audio\ringtones
SDcard\media\audio\alarms
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.
