Originally Posted by GrayTheWolf
If you have lock screen security, you can't view files on the phone until you unlock it. That's if you plug in while the screen is off.
Ah, hadn't noticed that. I guess every time I had plugged my phone in, it was recently unlocked. I let it time out to test, worked exactly as you described. Thanks, makes me feel much better.
Edit: Also the same even while the screen is turned on when plugging into the PC, but device has timed out and is locked.
HTC One Max
Touch Pro 2
LG flip phone(unknown model)
Nokia flip phone(unknown model, non color screen)