Resolved! S5 - Can't copy to MicroSD via USB
I have a Samsung Galaxy S5 SM-G900W8 running Android Lollipop 5.1.1. It has a Kingston 64 gig MicroSD XC 10/64GB card in its card slot formatted as exFAT. Unfortunately, I can't copy to the SD card via USB. The phone mounts as a drive letter fine...