What uses my iPhone or iPad's data?

Daily use of your iPhone or your iPad can use quite a lot of data without you realising.
Here's a breakdown of what kind of activity uses data , roughly speaking.

How to check your data use on iPhone or iPad:

  1. Open the Settings on your device.
  2. Choose Mobile.
  3. Scroll down to see your Network details and Mobile data usage beneath that.
  4. Shown here, is the list of Apps that can use your cellular data. These can be switched on or off by you.
  5. There is also an entry called System Services.
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