Is the a way to improve video quality?

Is the a way to improve video quality?
So I run track or whatever right and my coach recorded a video of me running and sent it to my phone I have a iPhone and i don't know what phone he has but it's terrible quality is there anyway to improve the video quality to wear you can at least make out the images?

To improve video quality when you r on youtube then press HQ and it will be clear it dosent make it slower and you can make out the faces and the videos

I don't think so… If he took that video, there's not much you can do about it. I'm not to sure though.

Transfer the video to a PC from your coach's 'phone - that's as good as it'll get.

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