Not sure how this amassed 4 close votes (which means at least 4 people reviewed this):

http://askubuntu.com/questions/507573/how-do-i-get-a-zte-mf667-usb-modem-working

But we should be more careful when people recommend reinstalling with no information on to whether or not that would fix the person's problem. 

- "I have an itch in my shoe" 
- "Well then, let's chop the foot off."