I was having problems transferring files from my Samsung Galaxy S5 to my PC. Bluetooth is way too slow. I found this app. that links them via home WIFI. It works very well and some may find it quite useful. You will need to install half of the program on phone/device and the other half on PC.
For mobile device:
Share Link – File Transfer - Android Apps on Google Play
For PC (with instructions):
How to use Share Link?
For mobile device:
Share Link – File Transfer - Android Apps on Google Play
For PC (with instructions):
How to use Share Link?