Adding a ringtone to your cell phone is a great way to personalize your device. Ringtones are played from a digital file stored on your phone. There are a few options for adding ringtones to your phone, including downloading them from the Internet, or using the phone's own built-in sounds.

The simplest ringtone is the monophonic ringtone, which plays one note at a time. There are also polyphonic ringtones, which play several notes at once. The ringing of a bell is a type of polyphonic ringtone. Polyphonic ringtones are often called "musical ringtones" because they can play multiple notes at once.

Using a custom ringtone can also help you avoid spam calls. For example, if you use your phone to make work calls, you can set a ringtone that indicates a call is coming from a coworker, friend, or someone you care about. On the other hand, if you use your phone to make personal calls, you can set a ringtone to alert you that a call is coming from someone you want to talk to.

The Google Play Store has hundreds of apps that offer ringtones for your phone. Some apps are free to download, while others are available for a fee. The best part about this is that you can set up your own personal ringtones to help you keep track of important contacts, and to identify spam calls. However, beware that not all ringtone apps are free, and some may be illegal.