The leaf logo on the right side of the Huawei P20 battery logo means that the phone is in power saving mode. Due to the upgrade of Huawei mobile phone system, the small leaf icon in power saving mode has been updated to the small battery icon. The specific shutdown process is as follows:

1. Take Huawei P20 as an example. You can see the small battery icon in the upper left corner of the power saving mode. Find the "Settings" option and click to enter.

2. Find "Battery" selected in the red box and click to enter.

3. In the battery interface, you can see that the power saving mode is on.

4. Click the switch on the right selected in the red box to turn off the power saving mode.

5. The small battery icon in power saving mode in the status bar selected by the red frame also disappears.