Open the homepage of the Flush APP on your mobile phone, find the item of stock selection and click Enter.

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Next, you need to select the morphological stock selection icon to enter.

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At this time, you can click on the window of classic stock selection and enter the form in the condition box.

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Open any one of various classic forms, and compare it with the old duck head.

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In this way, you will see the results of stock selection about the old duck head, and you can realize the stock selection of mobile phone software setting conditions.