Login as root and create this file: /etc/udev/rules.d/##-android.rules
NOTE: In the above file replace ## with the number 50 if you are running
Gusty/Hardy/Dapper (50-android.rules) or with the number 70 if you are
running Karmic Koala/Lucid Lynx(70-android.rules)
Or simply type in terminal sudo gedit /etc/udev/rules.d/##-android.rules then enter your password
The file should read: For Gusty/Hardy: SUBSYSTEM==”usb”, SYSFS{idVendor}==”0bb4″, MODE=”0666″
For Dapper: SUBSYSTEM==”usb_device”, SYSFS{idVendor}==”0bb4″, MODE=”0666″
For Karmic Koala: SUBSYSTEM==”usb”, SYSFS{idVendor}==”0bb4″, MODE=”0666″
For Lucid: SUBSYSTEM==”usb”, SYSFS{idVendor}==”0bb4″, MODE=”0666″