Apple iPad Pro 12.9 (2018)
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Apple iPad Pro 12.9 (2018)

iPadOS 18

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My Apple iPad Pro 12.9 (2018) iPadOS 18 uses a large amount of mobile data

Cause 1 of 6: Use of mobile data for applications is turned on

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

Solution: Turn off mobile data usage for applications.

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