How to adjust the mirror with modern filters when taking pictures with faceu?

No adjustment is needed. It looks good if you use it directly. Faceu is happy to use modern filtering methods:

1. First open Faceu client and enter shooting mode.

2. Secondly, click "Beautify" next to the shooting button and click "Filter" option.

3, and then click on the modern filter effect.

4. Finally, press the "white circle" to start shooting.