Read help info
You can set limits for the amount of data to be transferred before the USB modem application shows a warning.
1. Find "Statistics"
2. Select data usage limits
Click the settings icon.
Click the field next to "Set monthly package".
Follow the instructions on the screen to select the required data usage limits.
You can select the monthly start date, the available amount of data and when to receive a warning when the monthly data amount has almost been used up.
3. Save settings