1) Vietnamese brand 
==Market share and competitors== MobiFone had a market share (estimated based on revenues) of 17.9% in 2012. Its main competitors are Viettel with 40.67% market share and Vinaphone with 30%, which is also owned by VNPT. Together, the big three control almost 90% of the market, with the rest controlled by Vietnamobile with 8%, Gmobile (formerly Bee...