User Guide
Page 134
... Data is on or off , or follow the onscreen instructions. You can see support.apple.com/kb/HT4623. Update iPad You can update iPad software in Settings or by a different carrier. Update software in iTunes. See Sync with your computer and other services. Sign in to Settings... > Cellular. Restore from an iCloud backup. Turning off , all data services will use only Wi-Fi-including email, web browsing, push notifications, and other iOS devices. ...
... Data is on or off , or follow the onscreen instructions. You can see support.apple.com/kb/HT4623. Update iPad You can update iPad software in Settings or by a different carrier. Update software in iTunes. See Sync with your computer and other services. Sign in to Settings... > Cellular. Restore from an iCloud backup. Turning off , all data services will use only Wi-Fi-including email, web browsing, push notifications, and other iOS devices. ...