First, we slide down on the ipad desktop and enter the notification viewing interface.

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We need to connect the apple pencil to the ipad first, as shown below, so that we can take notes quickly through the apple pencil.

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Then, we use apple pencil to directly click anywhere in the notification bar except the notification message.

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In this way, we can quickly enter the post-it software that comes with the ipad, and click it.

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We can use apple pencil to take notes directly in our notes, and we can also click on the color to adjust the color.

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If you don't use apple pencil to click on the blank area of the notification bar, you can't quickly enter the remarks interface.