msrazar , Samsung Galaxy S10 + SM-G975F, Android 9, official firmware without root G975FXXU2ASF3,
https://www.youtube.com/watch?v=t1R9IQF0Y9s 1080p VP9, ​​application version 3.7.9
Actually, I tried right now and everything loads fine, but on the day of the post I checked 2 times, and only the video was downloaded ... I don’t even know what could be the reason ...
In general, you have a great application, be sure to continue to develop it!