iPhone 11

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You can see how much mobile data you've used when you've used the browser or sent and received email messages etc.

Step 1 of 5

Press Settings.

Step 2 of 5

Press Mobile Service.

Step 3 of 5

The total data usage is displayed next to Current Period.

Step 4 of 5

The data usage for each application is displayed below the name of the application.

See how to turn mobile data on or off.

Step 5 of 5

Slide your finger upwards starting from the bottom of the screen to return to the home screen.