tty: atq v1 e1 --failed with 2400 baud, next try: 9600 baud
 -  - 9600 baud, next try : 115200
 - -  and failed too at 115200, giving up
        failed with 9600 baud, next try: 115200 baud
  ---   and failed too at 115200, giving up
Modem partscan  :s2  s3
Wvmodem: Connot set information for serial port
ttyACM0 ATQ V1 E1  --ok
----             ATQ v1e1 2 --ok
----              s0=0  --ok
----        &c1 --ok
----      &d2  --ok
----      &d2   +FCLASS=0    --ok
 tty ACM Modem Identifer: ATI -- Manufacturer: Qualcomn Incorporated.
ttyACM0 : speed 4800:AT --ok
                                  .......
                                  460800:AT --ok
ttyACM0: MAX speed is 460800; thatshold be safe
     - - - -        :ATQ v1 e1 s0=0 & c1 &d2 + FCLASS=0   --ok
FOUND an USB modem on /dev/ttyACM0
Modem Configurations written to /etc/wvdial.conf.
ttyACM0 : speed 460800; init "ATQ v1 e1 s0=0 &c1 &d2 + FCLASS=0"

Wvdial: Internet dialer version 1.61
             Initializing modem
             Sending : ATZ
             Sending : Atq0
             REsending: atz
           Modem not Responding