Nokia E71x is the carrier's thinnest smartphone -- at just 10mm thin. It features a black steel finish and award-winning design. The handset is based on S60 on the Symbian OS, offering a wide range of applications. Mail for Exchange syncs corporate email, contacts, calendar and tasks in real time, while Xpress Mail supports Yahoo! Mail, AOL and Windows Live Hotmail. Onboard mobile instant messaging includes AOL and AIM, Windows Live Messenger and Yahoo! Messenger. An integrated 3.2-megapixel digital camera has auto-focus and flash can share live or recorded video during a call. It has Wi-Fi and features AT&T's popular services, such as AT&T Navigator for turn-by-turn voice directions and maps with fast traffic re-routing.