Use cellular information on your iPhone or iPad

Detect out how much cellular data yous're using, and learn how to turn cellular information on or off for all apps or individual apps.

Image shows cellular data settings.

Plow cellular data on or off

To turn cellular data on or off, go to Settings, then tap Cellular or Mobile Data. If you lot're using an iPad, you might see Settings > Cellular Data.

Depending on your carrier and device, you lot might accept additional options listed under Cellular Information Options:

  • Enable LTE, 4G, or 3G: You lot can select what blazon of network connection to use for voice and data. Acquire more than virtually these options. Acquire almost data options with 5G on your iPhone or iPad.
  • Turn Voice Roaming on or off: With CDMA networks, you can turn off Voice Roaming to avoid charges from using other carriers' networks.
  • Turn Information Roaming on or off: When you're traveling internationally, you can turn off data roaming to avoid roaming charges. If y'all accept an international information plan, you may need to keep Data Roaming on. Acquire more about traveling internationally with your iPhone or iPad.

Depending on your carrier, information roaming might exist used if you travel domestically. Contact your carrier for more data nigh your information roaming policy or other cellular data settings. You lot can plough cellular information on or off to limit apps and services from using the cellular network to connect to the internet. When cellular data is on, apps and services apply your cellular connection when Wi-Fi isn't available. As a consequence, you might be charged for using certain features and services with cellular data. Contact your carrier for more information most possible charges.

Image shows cellular data usage.

View how much data you're using

To see how much cellular information you lot've used, go to Settings > Cellular or Settings > Mobile Data. If yous're using an iPad, you might see Settings > Cellular Data instead.

  • Curlicue downwards to find which apps are using cellular data. If you don't desire an app to use cellular information, you can turn information technology off for that app. When cellular data is off, apps will apply only Wi-Fi for data.
  • To see the cellular data usage for private System Services, get to Settings > Cellular or Settings > Mobile Data. Then tap System Services, in the list under Cellular Information. Cellular information tin can't be turned on or off for private System Services.
  • You can view the data-usage statistics for an app from a current menses, or view app information statistics for apps that apply data when you were roaming. To reset these statistics, go to Settings > Cellular or Settings > Mobile Data, and tap Reset Statistics.
  • When y'all're using an iPhone with Dual SIM, y'all tin come across how much cellular data you've used with your selected cellular data number.

To get the nigh accurate cellular data usage from a electric current period, contact your carrier.

Go help

  • Learn what to practice if you nonetheless can't connect to a cellular network.
  • If you apply an Substitution ActiveSync account, information technology might continue to apply cellular data even if you plough it off for Postal service and Calendar. To meet the cellular data usage of your Commutation ActiveSync account, become to Settings > Cellular > Arrangement Services.
  • If activated, Wi-Fi Assist automatically switches to use cellular data when Wi-Fi connectivity is poor. Wi-Fi Aid is on by default. This might consequence in additional cellular data utilise, which could incur additional charges depending on your data plan. You can turn off Wi-Fi Assist in Settings. For more information, come across Well-nigh Wi-Fi Assist.

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