• The Zune app• A compatible computer• A high-speed internet connection• A compatible USB data cableTo download and install Zune to your PC, go to www.zune.net.Tip: If you're using an Apple Mac, use Windows Phone 7 Connector for Mac.Before starting the update, make sure your phone has enough battery power.1 Use the USB data cable to connect your phone to your computer.2 If Zune doesn't open automatically, open it.3 Wait while Zune checks for available updates, and follow the instructionsdisplayed on your computer.Tip: If your receive an error message during the update, make a note of the errorcode, and search at support.microsoft.com to see what went wrong.Your phone is automatically backed up during the software update. You can also syncyour phone to your computer with Zune or Windows Phone 7 Connector for Macwithout updating your phone software.Set your phone to notify you about available updatesSelect > and phone update > Notify me when new updates are found.Back up, sync, and restore your phoneYour phone is automatically backed up during the software update, when you updatethe phone using the primary computer (the computer you first connected your phoneto with the USB data cable). If you use a different computer to update your phonesoftware, no backup is created. You can change your primary computer in the Zunesettings.The backup includes the following:• System settings• Account settings• Pictures• Music• Videos• Documents70