I used to connect successfully up to Ubuntu 11.10. But in 12.04 and 12.10 I cannot connect. I tried googling.
Network manager applet is not detecting my device(Qualcomm CDMA technologies). My
lsusb output for the device is
Bus 005 Device 002: ID 1c9e:9e00 OMEGA TECHNOLOGY.
I have installed
usb_mode_switch etc. Till now no success. My device is still working on Debian squeeze 6.0.7 very well.
P.S: I followed other solutions in this site but failed: