If you're on a limited data allowance, it's important to keep track of the activities and apps that use mobile data.
Note: Data usage measured by the system may be lower than your actual data usage.
Home screen, tap
If you have two SIM cards inserted, choose the SIM card you use for your data connection.
Mobile data is turned on.
Do any of the following:
App data usage to check the overall app data usage to date. Tap an app to see more details on its data usage.
Data warning & limit to configure the following:
Set data warning. Then tap
Data warning to set how much data is used before you get alerts.
Set data limit. Then tap
Data limit to set how much data is used before your data connection automatically turns off.
When setting a data warning or data limit, tap
to change the unit to megabytes (MB) or gigabytes (GB).