From the Home screen, swipe up to view your apps.
Tap the Settings icon.
Tap Network and Internet.
Tap Mobile network.
Tap or slide Roaming switch to ON.
Turning data roaming on allows you to connect to data services while roaming. Turn data roaming off to keep from incurring significant charges.
Tap OK.
Scroll to Advanced.
Tap Advanced.
Tap Preferred network type.
Select your preferred setting.
You've completed the steps!
