README for libmtp POST-INSTALL libmtp contains /etc/udev/rules.d/69-libmtp.rules, so there is a need to reload rules: # udevadm control --reload-rules NOTES Run MTP as a regular user ------------------------- 1. Create the plugdev group and add your user name into it: getent group plugdev >/dev/null || groupadd -r plugdev usermod -aG plugdev $USERNAME newgrp plugdev 2. Find your device's (VendorId:ProductId) in the lsusb output. 3. Find your VendorId:ProductId in the /etc/udev/rules.d/69-libmtp.rules , and change the line into the following: ATTR{idVendor}="...", ATTR{idProduct}="...", ..., MODE="0666", GROUP="plugdev" 4. Reload the udev rules (as described in the POST-INSTALL) 5. You also may be interested to save your settings. Add the following line into /etc/pkgadd.conf: UPGRADE ^etc/udev/rules.d/69-libmtp.rules$ NO