I have the ZTE Maven how do i set customiized ringtones and text tones?

[Teddysgirl2014]

I I had Android phone before and I was able to do it but I can't seem to find out how to do it on this one it's the ZTE Maven I believe anyone can help me out I appreciate it

 

[B. Diddy]

Welcome to Android Central! See this article: Android 101: Adding your own custom sounds to Android events | Android Central