1. Light up the ipad screen, press and hold the bottom of the ipad tablet desktop, and slide the screen upward in the direction of the arrow.

2. After the shortcut menu appears at the bottom of the 2.ipad screen, click the small lock icon of the arrow.

3. Click the small white lock icon to turn gray, and the automatic horizontal screen will open.

4. Another way is to find the small white dot version option on the screen and click the device option.

5. Find the unlock screen rotation selected in the red box, and click the unlock screen rotation option to open the horizontal screen setting.