How does Xiaomi mobile phone cancel this traffic reminder?

Step 1, click Settings. As shown in the figure below:

Step 2: Click on Dual Card and Mobile Network. As shown in the figure below:

Step 3, click the flow setting in the third line. As shown in the figure below:

Step 4: Enter the flow setting interface. As shown in the figure below:

Step 5: Slide the button to the right of the flow information displayed in the notification bar to close it. As shown in the figure below:

Step 6: If it needs to be reopened, slide the key to the right of the process information displayed in the notification bar to open it. As shown in the figure below: