How does Huawei p30 mobile phone take clear numbers when taking photos?

1. Turn on the camera, click the gear icon in the upper right corner, enter the "Settings" page, and turn on the "baseline" switch. 2. You will find a reference line similar to Jiugongge. Just click on the fourth icon at the top. 3. An adjustable Leica photo effect will appear at the bottom. Choosing the most suitable Leica effect can improve the photo effect. 4. You can directly click the second icon above to open "AI Photographer", so that the system can automatically make a series of adjustments to improve the photo effect.