Here is a quick tutorial on how to enable USB Debugging mode on a Samsung Galaxy J5. You first need to enable developer options. Then under developer options look for debugging mode.
The most typically reason to enable debugging mode it to be able to use certain software on a computer that is connect to your phone, root phone or update firmware. Let me know if anybody needs assistance.
I hope you find this video helpful.
![](https://i.ytimg.com/vi/2pdn-hNGChs/maxresdefault.jpg)