Network Connection Failure

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http://askubuntu.com – I am Ntimi from Tanzania. I'm using ubuntu qq(12.10), and have a Zantel modem (model: Huawei ec122) which is a cdma modem. I have been trying to connect to the internet but everytime it loads then it says network disconnected. Anyone who has a simple solution to this??? NB: I am not found of using the terminal , to write commands and stuff, i have searched around the net for a simple way to make it work and tried some of the solution with no avail, please i need a step by step solution to this issue. Thank You in Advance (HowTos)