Using ZTE MF627 in openSUSE 11.3

Recently I got a chance to test ZTE MF627 USB 3G modem. To be able to use ZTE MF627 3G modem in openSUSE 11.3 you need to install the usb_modeswitch program. In openSUSE 11.3 it separated in two packages :

  • usb_modeswitch
  • usb_modeswitch-data

Please make sure you install the above packages with version 1.1.3 or newer.

After you’ve successfully installed the usb_modeswitch, you need to configure it. You can see several configuration included with usb_modeswitch in the /etc/usb_modeswitch.d directory.

In my system ZTE MF627 is recognized with the following information :

Vendor ID  : 19d2
Product ID : 2000

This information can be obtained from the dmesg output.

With this information, I editted the /etc/usb_modeswitch.d/19d2:2000 file with the following information :

########################################################
# ZTE devices

DefaultVendor= 0x19d2
DefaultProduct= 0x2000

# ZTE MF627
TargetVendor= 0x19d2
TargetProductList="0001,0002,0015,0016,0017,0031,0037,0052,0055,0063,0064,0108,0128"

MessageContent="5553424312345678000000000000061e000000000000000000000000000000"
MessageContent2="5553424312345679000000000000061b000000020000000000000000000000"
MessageContent3="55534243123456702000000080000c85010101180101010101000000000000"

NeedResponse=1
CheckSuccess=20
InquireDevice= 0

In my system I need to set the “InquireDevice” to “0” if not the modem will not be detected.

After you save the configuration, you can plug the ZTE modem, then issue the command :

usb_modeswitch -c /etc/usb_modeswitch.d/19d2\:2000

Next, you can use your Internet dialler program, such as wvdial, to connect via your ISP. You may need to adjust the location to the modem. In my system the modem is attached to /dev/ttyUSB2 device.

[NOTES : January 6, 2012]

After updating to openSUSE 12.1, I don’t need to run the usb_modeswitch anymore to use this modem. And now the ID information has changed to the following :

Vendor ID  : 19d2
Product ID : 0031

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