SUBSYSTEM=="usb",ACTION=="add",ATTRS{product}=="Sony Ericsson MD300", RUN+="/bin/bash -c 'echo 2 > /sys%p/bConfigurationValue'"
SUBSYSTEM=="tty",ATTRS{product}=="Sony Ericsson MD300", SYMLINK+="entel"
SUBSYSTEM=="block",ATTRS{product}=="Sony Ericsson MD300", OPTIONS += "ignore_device"
SUBSYSTEM=="net",ATTRS{product}=="Sony Ericsson MD300", OPTIONS += "ignore_device"