240p

The video likely worked due to its aesthetic appeal and the relatable action of adjusting video quality, which is a common user experience in video editing or streaming platforms. The use of a popular editing tool like CapCut, even if not explicitly promoted, could also contribute to its reach.

The video shows a person adjusting the video quality settings in what appears to be a video editing application. The settings are changed from 140p to 240p, then to 720p, and finally to 1080p.