Sony Xperia E
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. Find "Mobile networks"
- Slide your finger down the display starting from the top edge of your phone.
- Press the settings icon.
- Press More....
- Press Mobile networks.
- Press Data enabled to turn the function on or off.
- If you turn on mobile data:
- Press OK to confirm.
- Press to return to the home screen.