Applications 171Important! You must have a data plan to use this feature.Note: These services require the purchase of a subscription.To launch the AT&T Navigator application, follow these steps:1. From the Home screen, tap ➔ AT&T Navigator.2. Read the Terms of Service and tap Accept toacknowledge the terms of use.The first time that you use AT&T Navigator, thenecessary files will be downloaded. The AT&TNavigator main screen displays.3. Tap an AT&T Navigator plan that you choose topurchase.4. Follow the on-screen instructions.AT&T Ready2GoAT&T Ready2Go allows you to quickly and easily setup yourphone by using the web browser on your PC. You can set-upemail accounts, import contacts, set wallpaper, configureWi-Fi and many more features. For more information, refer to“Setting up your Phone with Ready2Go” on page 11.AT&T Smart Wi-FiWith AT&T Smart Wi-Fi, you can maximize your batteryperformance, maximize your data, simplify access to AT&THot Spots and Wi-Fi networks, automate your Wi-Ficonnections, and track your data use. For more information,refer to “AT&T Smart Wi-Fi” on page 159.BrowserThe Browser is your access to the mobile web. For moreinformation, refer to “Accessing the Mobile Web” on page149.CalculatorWith this feature, you can use the phone as a calculator. Thecalculator provides the basic arithmetic functions; addition,subtraction, multiplication, and division. Turn the phone tothe landscape position to use the scientific functions. TheCalculator also keeps a history of recent calculations.1. From the Home screen, tap ➔ Calculator .2. Enter the first number using the on-screen numerickeys.3. Enter the operation for your calculation by tapping thecorresponding on-screen arithmetic function key.4. Enter the second number.