Help and Support for
Huawei P20 lite
Android 8.0
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My Huawei P20 lite Android 8.0 uses a large amount of mobile data
Cause 1 of 4: 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 phone is not connected to a Wi-Fi network.
Solution: Turn off mobile data usage for applications.