1 Find "Dual SIM & Mobile"
Press Dual SIM & Mobile.
2 Turn mobile data on or off
Press the indicator next to "Mobile Data" to turn the function on or off.
3 Turn use of mobile data for applications on or off
Press Apps Using Wi-Fi and Mobile Data.
Press the required application.
Press the required setting.
4 Return to the home screen
Press the Home key to return to the home screen.