How to Set a Custom RingtoneThe process of setting a custom ringtone may vary depending on your smartphone's operating system. Here's a general guide:For Android:Go to "Settings."Scroll to "Sound" or "Sounds & Vibration."Choose "Phone Ringtone" or "Ringtone."Select your desired ringtone from the list.For iOS (iPhone):Open the "Settings" app.Scroll down and tap "Sounds & Haptics."Under the "Sounds and Vibration Patterns" section, tap "Ringtone."Choose your custom ringtone from the list.