Earlier, whenever I copied images from Camera Roll to PC, this error used to show up:
A device attached to system is not functioning
I searched & tried various tips to remove it, like "Keep originals" option in iPhone Settings, updated iTunes etc, but nothing helped.
Then I learnt about 3uTools from another website and installed it, mainly for exporting images and videos to PC.
I connected my iPhone and started the copy process. It copied all photos, but reduced their file size !!
Earlier when I used to copy using Windows Explorer, my photos used to be 3-4MB each (original size)
With 3uTools, they are not bigger than 1MB each.
I tried to copy a couple of photos with Windows Explorer to verify file size and sure enough, 3uT is compressing them.
Here is what the Photos section looks like in my 3uTools (see attachment)
I would like them to save as JPG on my computer, as it is easy to share later on.