From the Home screen, drag down the Notification Panel.
Drag down the Quick settings panel.
Tap the Settings icon.
Tap Network & Internet.
Tap Cellular networks.
Tap Data roaming access.
Select your preferences.
Tap OK.
Turning data roaming on allows you to connect to data services while roaming. Turn data roaming off to keep from incurring significant charges.
You've completed the steps!
