In September 2019, Viettel declared that it would broadcast 5G network and deploy Internet of Things (IoT) infrastructure in Ho Chi Minh City. In Ho Chi Minh City, Viettel completed the construction of 1,000 NB-IoT stations with 100% coverage across the city and 5G coverage across Ward 12, District 10. Ho Chi Minh City became the first city in the country to have seamless 5G and IoT coverage. According to the Global System for Mobile Communications Association (GSMA), Viettel is the only Vietnamese enterprise to rank among the first 50 network operators to successfully deploy 5G technology in the world. This was done without support from Chinese firms such as Huawei and ZTE, the first company in the world to not endorse Chinese 5G technology, which got praises and controversies altogether. Viettel had a market share (estimated based on revenues) of 40.67% in 2012. Its main competitors are Vinaphone (owned by VNPT) with 30% market share and MobiFone with 17.9%. They control almost 90% of the market, with the rest controlled by Vietnamobile with 8%, Gmobile (formerly Beeline) with 3.2% and S-Fone with 0.1%. Viettel reported having 58.9 million customers, while Vinaphone and MobiFone estimated having 70 million and Gmobile and Vietnamobile 10 million. Viettel has developed telecommunication services in Laos, Cambodia, Haiti, Mozambique, Peru, Tanzania, Timor-Leste, Cameroon, Burundi and Myanmar. Viettel Global Investment JSC (Viettel Global) handles all the countries foreign investments. Viettel has successfully developed telecommunication services in three continents, Asia, Africa and the Americas. It made a profit from its foreign operations for the first time in 2012, mainly based on profits from Cambodia and Laos and recorded a $1.2 billion revenue from foreign operations in 2014. The company became the first Vietnamese company to provide as one of the official telecommunication services for the Peru national football team during the 2018 FIFA World Cup, the first Vietnamese company to achieve this feat. Viettel currently provides the following services and products:  Viettel's headquarters is located at Lot D26, Lane 3, Ton That Thuyet Street, Yen Hoa Ward, Cau Giay District, Hanoi.