Explaining that their products do not have 3G connectivity, "Apple" thinks that 3G can only be used with one operator, and if desired, users can purchase additional USB 3G models.
However, the explanation above does not convince many users, because with prices from 1,800 to 2,500 to buy a model advertised as "no barrier", but the reality is not so. Currently, most netbooks, mobile laptops costing from $ 500 or more have integrated SIM slots for 3G network connectivity.
Recently, the MacBook Air was complained because the screen error has many diagonal stripes when displayed.