Our tips is to NOT buy your SIM card from a vacation agency or regional store. In 2016 The federal government started strictly implementing a plan that needs just about every mobile SIM card be registered to the person working with it.^ Quy?t ??nh s? 854/Q?-TCTVTQ? ngày 20/6/2007 c?a T?ng Giám ??c T?ng Công ty Vi?n thông Quân ??i v? vi?c ban h