Samsung Galaxy A3
Turn mobile data on or off
You can limit your data usage by turning off mobile data. You'll then not be able to access the internet using the mobile network. You can still use Wi-Fi even though mobile data is turned off.
1. Turn mobile data on or off
Slide your finger down the display starting from the top edge of your phone.
Press Mobile data to turn the function on or off.
Press Mobile data to turn the function on or off.
2. Return to the home screen
Press the Home key to return to the home screen.