How to Recover Gray Code

The operation method is as follows:

Tools/raw materials

Huawei P50

Harmonious world

Alipay 10.2. 18

1. First, on the health code page, click the FAQ option.

2. Then navigate to the color-changing page, and click what it means that Hubei health code turns gray.

3. Finally, as can be seen from the figure below, the "Gray code" can be automatically converted into a green code in about half an hour after the nucleic acid sampling is completed.