1 Find "Mobile network"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3cc69250-daf6-437a-9715-12720b63a844.png?width=208&height=430)
Press Wireless & networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-19bcd425-b6a8-4243-b3b2-5ce17ee8da9b.png?width=208&height=430)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5af4f610-4180-43ac-bfd9-2d7285f72e29.png?width=208&height=430)
2 Turn data roaming on or off
Press the indicator next to "Data roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6069c99e-a739-404c-bb20-7daef63d6bfd.png?width=208&height=430)
If you turn on the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6de921bb-da43-4d62-a0d9-050fdbcae447.png?width=208&height=430)
3 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6069c99e-a739-404c-bb20-7daef63d6bfd.png?width=208&height=430)