GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface 'org.freedesktop.ModemManager1.Modem.Modem3gpp.Ussd' on object at path /org/freedesktop/ModemManager1/Modem/2
modem manager GUI work properly in ubuntu 13.10 after upgrade to ubuntu 14.04 Can't send USSD.I have a huawei E158 usb router and ASUS N53T laptop, Help me to solve this problem.
when i install ubuntu resevied this message! but i have latest bios
