Every time I connect my iPhone 8 to my PC (running Windows 7) via USB and copy a bunch of video files, it works for some amount of time, maybe 5 minutes, maybe 10. Then the USB connection always fails with the message "A device attached to the system is not functioning". I've tried multiple desktop computers, front and back USB ports, USB 2.0 and 3.0 ports. Everything has the same problem. I've tried 2 different Apple USB cords.
Mind that the video files I'm copying off can be 500gb large each (they're sports videos), and USB 2.0 transfer speeds are incredibly slow. This means that it could take me days of frustration to copy this stuff off. Also, one of my computers no longer even recognizes the iPhone as a media device, presumably due to getting the above error so often.
I've read that you can check "Settings->Photos->Keep Originals" and that supposedly helps... not an option. I want the videos to be in playable format, not the original format, which refuses to play in most media players on Windows. I'm amazed how impossible it is to get media files off this device. (Almost as amazed as when I discovered the iPhone only has USB 2.0.) Is there some trick I'm not aware of, or do most PC+iPhone users just never take 1080p 60fps videos more than a couple minutes in length? Maybe for small videos or small numbers of videos this is never an issue.
Mind that the video files I'm copying off can be 500gb large each (they're sports videos), and USB 2.0 transfer speeds are incredibly slow. This means that it could take me days of frustration to copy this stuff off. Also, one of my computers no longer even recognizes the iPhone as a media device, presumably due to getting the above error so often.
I've read that you can check "Settings->Photos->Keep Originals" and that supposedly helps... not an option. I want the videos to be in playable format, not the original format, which refuses to play in most media players on Windows. I'm amazed how impossible it is to get media files off this device. (Almost as amazed as when I discovered the iPhone only has USB 2.0.) Is there some trick I'm not aware of, or do most PC+iPhone users just never take 1080p 60fps videos more than a couple minutes in length? Maybe for small videos or small numbers of videos this is never an issue.
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