You can enter the screen notification bar on the Huawei P9 phone and click to turn on the auto-rotation function. Please refer to the following content for specific operations.

Tools/Materials: Huawei P9 mobile phone.

1. First slide the phone screen down.

2. Then click the auto-rotate button.

3. After this operation is completed, the vertical screen lock of the Huawei P9 phone has been successfully unlocked.

There is a vertical screen lock function. Just turn off the auto-rotation function in the display settings sub-item

The sleep screen (some versions are called lock) options in the display are 15/30/60/120/300/600 seconds + use the non-stop screen 7 levels adjustable

If you need to display content on the screen, you can select the style and add your own signature in the lock screen and password of the security and lock sub-items of the settings

From the status bar Swipe down to open the notification panel. Under the "Switch" tab, click "Auto-rotate" to quickly turn on or off the automatic screen rotation function.

Go to Settings > Display and turn off the auto-rotate switch. The screen cannot rotate automatically after the auto-rotation function is turned on.

Turn off the desktop rotation function: long press a blank space on the desktop, click Settings, and turn off the automatic rotation switch.

Use the home button on your phone to quickly open the status bar of the notification bar, and then turn on the "vertical screen lock" function in the notification bar.

Second type: Slide the phone screen from bottom to top to open the status bar of the notification bar, and then turn on the "vertical screen lock" function in the notification bar