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Device guides for

Apple iPhone 6s Plus

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My mobile phone uses a large amount of mobile data

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

If GPS position usage for applications is turned on, your mobile phone will use mobile data when an application uses GPS to determine your position and is not connected to a Wi-Fi-network.

Solution: Turn GPS on or off

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

Solution: Turn automatic update of apps on or off

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

Solution: Turn mobile data on or off

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

Solution: Turn Wi-Fi Assist on or off

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

Solution: Use notifications

If background refresh of apps is turned on, closed apps will still be able to use mobile data.

Solution: Turn off the function "Background App Refresh". You'll find the function in "General" in your mobile phone's settings.