The iOS 5

Apple's new operating system, iOS 5, is new, yet familiar. Aspects of it resemble features found on the Android, BlackBerry, and Windows operating systems. It lets you use the camera, preview e-mail, and perform other functions even when the phone is locked. Contact lists will integrate data from a variety of sources. A Game Center will show you what your friends' friends are doing and give recommendations based on their input.

Apple iPhone 4: Sprint Nextel Network

The Apple iPhone 4 (8GB) is a smart phone designed for use on the Sprint Nextel network, including its EV-DO network. It has a 3.5-inch touch-screen display, measures 4.5 by 2.3 by 0.4 inches and weighs 5.0 ounces. It runs on the iOS operating system.

The iPhone 4 (8 GB) has a 5.0-megapixel camera that can record high-definition video, a front-facing camera, and a music player. It also features a virtual QWERTY keyboard that's useful for messaging and Web searches. This phone has Wi-Fi, Bluetooth for wireless hands-free communication, and GPS navigation capability. Web browsing, e-mail, and texting capabilities are also included. This Apple phone has a standard 3.5mm jack. It has 8GB of built-in memory.