Why can't Huawei mate 10 display the health code information page in full screen?

The setting method is as follows: 1 Click the settings icon in Huawei's mobile phone. 2. Enter the setting interface and click to display the column. 3. Click on the seventh line of the display interface to display it in full screen.

In addition, Huawei's mobile phone has now integrated a health code and a travel card, which can be called up with one button, which is very convenient.

Huawei Mate 10 is a smart phone designed and sold by Huawei. It was released in Munich, Germany on June 6, 20 17 10. This machine is the first AI smartphone equipped with Kirin 970 chip, and its AI capability has been greatly improved. The camera is a Leica dual lens.