The operation is as follows:

1. First open the memo in the Huawei phone and click the + below.

2. Click on the handwriting below.

3. Select the brush mode you want to use.

4. You can also choose your favorite brush color.

5. You can then draw graffiti-related patterns in the memo.

6. If you encounter something you are not satisfied with, you can also click the eraser tool below to erase it.

7. After completion, you can also click Share below.