Apple iPad Pro 12.9
View data usage
You can see how much mobile data you've used when you use the browser or send and receive email messages etc.
Press Settings.
Press Mobile Data.
The total data usage is displayed next to Current Period.
The data usage for each application is displayed below the name of the application.
Press the Home key to return to the home screen.
1. 1. Find "Mobile Data"
2. 2. View data usage
3. 3. Return to the home screen