Unable to install software for Huawei EC169 CDMA USB Modem

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http://askubuntu.com – I'm using this Huawei EC169 CDMA USB Modem that's provided as a standard by PTCL in Pakistan when it comes to 3G connectivity. The issue I'm having right now is that I have tried installing the Linux SW driver provided on PTCL's website Here's the link; http://ptcl.com.pk/related_pages.php?pd_id=203&rp_id=146 After unzipping the contents & trying to execute the commands in terminal, I'm unsuccessful. I am just lost. I'm on the prepaid plan basically & I need the Mobile Partner UI to recharge the vouchers. I'm able to connect through the USB to internet without the standard UI; (HowTos)