How to query puk code?

Take Unicom as an example

Operation demo version: China Unicom 10.5.

Redmi k60e

1, first open China Unicom, and then click on my picture as shown in the figure below:

2. Click the gear icon again, as shown in the figure below:

3, and then click the security center as shown in the figure below:

4. Click on my puk code again as shown in the figure below:

5. Finally, you can see the puk code of your mobile phone card, as shown in the following figure: