How do I know the head of the other half?

The steps to find the other half portrait are as follows:

Tools/materials: Huawei nova8, EMUI 1 1, Baidu 12.24.5. 10.

1, search "Baidu knows the map" in Baidu search box.

2. Click to start using.

3. Go to the scan page and click Gallery.

4. Import the avatar.

5. You can see the other half.