The file for the tone needs to be MOVED or copied to the notifications folder on the phone's internal memory space. This applies only to Android phones, so if you have an iPhone then the steps would be different.
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.
I love using Zedge for ringtones myself. A community member has provided accurate information about storing the file and using it for Verizon Messages. If you provide us with your device make and model, we can walk you through with detailed instructions for completing this.
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