Debian Stretch

Using the following steps an Android phone can be mounted over USB by a Debian Linux system.

• apt-get install jmtpfs
• connect phone and select data transfer over USB
• jmtpfs /mnt/phone

At this point, my phone prompts me whether or not to allow this connection. I select allow, but it is too late for the computer and any attempts to browse the directory /mnt/phone result in i/o errors. Unmounting and remounting without changing anything on the phone and leaving it connected, is a work-around for this issue.

• umount /mnt/phone
• jmtpfs /mnt/phone

Do work.

• umount /mnt/phone