MTP – Mount Options and GUI Navigation in Ubuntu

        Working through the terminal can be cumbersome, especially when your media device contains a large number of files. If you give the "mtp-detect" command a go and you see that it is working with your device, then you have the option to mount it and navigate in its storage more conveniently through your file manager.

For this, we have to install mtpfs by giving

"sudo apt-get install mtpfs" on a terminal, and then
"sudo mtpfs -o allow_other ~/mnt".