Super Slow Motion problem S9+

[AshrafSamy]

When I start to use the feature of super slow mo, the screen starts to vibrate, the light get darker and thq quality of the video is so poor. So what should I do?

[MBT1]

you hold mobile and clear focus and make a video

[Sudeb1]

This is due to poor lighting conditions. Try outside in daytime. The screen will not flicker.