1 Find "Wi-Fi+"
Press Wireless & networks.
2 Turn on Wi-Fi
Press the indicator next to "Wi-Fi" to turn on the function.
Press the menu icon.
3 Turn automatic use of mobile data on or off
Press the indicator next to "Wi-Fi+" to turn the function on or off.
4 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.