my iphone 15 ringtone goes lower from the settings and stay lower by itself
my iPhone 15 ringtone goes lower even i make it louder it comeback to lower from settings by itself
and no change button active or something
Question marked as
Are you possibly using Attention Aware features? Attention Aware, automatically lowers the volume of an incoming call when the phone recognizes you are looking at it.
See this about the feature --> Turn Attention Aware features on or off on your iPhone or iPad Pro - Apple Support