During a trip that happened about 3 months ago I took a TON of pictures and videos (Over 3k). All those images ended up taking a TON of space, I believe before the trip I was around 5GB of photos, now i'm at 25GB. They are all backed up on a computer and external hard drive, so id like to remove them from the phone to free up space. What would be the easiest and best way to remove all of those images (except one or two, to save the pin when I view the map in photos app)? Would going through the phone and selecting each one or going through Windows Explorer to delete the files work the fastest, or another way? The only thing I can't do is restore the phone. Also, if I delete 3k photos, will some of the folders like "815KMYLY" be deleted? I currently have about 10 of those folders and would like to make it less and easier to find pictures when I import them through Windows explorer.