It is very secure that taking internet connection through Ubuntu. Usually it will get more speed other than Windows , etc . Firstly you connect mobile through USB then . . .
 Click on the network sign , then select " New GSM connection"
You Can see a New window
 Click next
Select Your Country , then click next
Select your plan , next
Click APPLY . Now You will Connect internet Which is very fast and secure
Enjoy It . . . . . . . . . .

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