[ubuntu] Problem installing LW272 3G data card

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http://ubuntuforums.org – After a week of frantically searching for a solution, I am on the verge of giving up. I have a 3G data card LW272 Teracom (MTNL) which is running absolutely fine in Windows. However I have a problem in installing it on Ubuntu 12.10. lsusb output gives me the Vendor ID as 0x230d and product id is 0x0103. I have installed usb_modeswitch and created a file /etc/usb_modeswitch.d/230d:0103 containing the following information :- DefaultVendor=0x230d DefaultProduct=0x0103 Configuration=2 Also /lib/udev/rules.d/40-usb_modeswitch.rules contains the following :- #Linktop LW272/LW273 (BSNL T (Hardware)