When traveling internationally, you may want to turn data roaming on and off to conserve data and minimize unwanted fees.
1.
From the Settings app, tap Cellular.
Cellular may be called Cellular Data or Mobile Data, depending on your device.
2.
Tap Cellular Data Options.
3.
Tap or slide the Data Roaming switch to ON.
Other options on this screen may differ depending on the capabilities of your carrier's network or your device.
4.
If your device currently has multiple SIMs you may need to select one for you mobile data.
5.
You've completed the steps!
