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My phone uses a large amount of mobile data

If your phone uses a large amount of mobile data, there may be several causes of the problem.

If mobile data usage for iCloud Drive is turned on, your phone will use mobile data when it exchanges data with iCloud Drive and is not connected to a Wi-Fi-network.

Solution: Synchronise the phone contents using iCloud

Press Settings.

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If automatic update of apps via mobile network is turned on, your phone will use mobile data.

Solution: Turn automatic update of apps on or off

Press Settings.

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If mobile data usage for applications is turned on, the applications will use mobile data when your phone is not connected to a Wi-Fi network.

Solution: Turn mobile data on or off

Press Settings.

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If Wi-Fi Assist is turned on, your phone will use mobile data when the connection to the Wi-Fi network is poor.

Solution: Turn Wi-Fi Assist on or off

Press Settings.

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If notifications are turned on, your phone will use mobile data when applications send push notifications and is not connected to a Wi-Fi-network.

Solution: Use push notifications

Press Settings.

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When background refresh of apps is turned on, some apps will still be able to check for content updates, even if you end them from the list of running applications, and therefore use mobile data.

Solution: Select settings for background refresh of apps

Press Settings.

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