1, mobile phone system settings:

(Take Android as an example) Click Settings to find the handheld ireader reader, and click to view the "Double Page Turning Effect in Horizontal Screen":

2. Read the settings of the ireader reader by palm reading.

When you open the handheld ireader reader to read an article, click the center of the screen and a series of menu bars will appear at the bottom of the screen. Click "Horizontal Screen":

How to set the horizontal screen of ireader reader, I hope it will help you!