I don't expect 4k but I would expect that when my wife sends a video green with mms and then used Whatsapp to share it with me and I use my android to send the

I don't expect 4k but I would expect that when my wife sends a video green with mms and then used Whatsapp to share it with me and I use my android to send the same video to the same group they should be the same resolution but mine is _higher_ even though she took the video.