On a Xiaomi phone, you can find your exact model name by going to Settings > About Phone > Detailed info and specs to see which device created the video.
How to Find Serial Number & Model of Xiaomi Phone (Android Tutorial) 0gpcv11zfwjofzn7tu9ki_source.mp4
A more recent powerhouse that generates high-end source video files. On a Xiaomi phone, you can find your