I just bought new Moto G4 hands. Pretty Good in functionality with very less weight & Slim.
But when I was searching for how to set ringtone for moto g4.
But i didn’t found any option for setting ringtone for moto g4.
Final option i took to download app and set in 2 steps i set which ever ringtone for my new brand Moto G4.
Please check out the following Apps on play store.
https://play.google.com/store/apps/details?id=com.jrdreams.ringtonesetter