Jalankan modem gsm

gksu dmesg
gksu ifconfig ppp0 down
gksu ifconfig eth0 down
gksu ifconfig wlan0 down
gksu modprobe -r usbserial vendor=0x05c6 product=0x9004
gksu modprobe usbserial vendor=0x19d2 product=0x0151