Samsung Galaxy S4 Mini
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 to return to the home screen.