Samsung SGH-D428 is a feature-rich mobile phone that offers a wide range of capabilities to make your life easier and more enjoyable. With its intuitive menu system, you can easily access all the features the phone has to offer. You can store up to 100 contacts in the phonebook, and you can even assign each contact a unique ringtone. The phone also has a built-in camera, so you can take pictures of your friends, family, and the world around you. You can also use the phone to send and receive text messages, and you can even use the phone to access the internet.