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Country or Territory Operator VoLTE B1 2100 MHz B3 1800 MHz B5 850 MHz B7 2600 MHz B8 900 MHz B20 800 MHz B28 700 MHz B31 450 MHz B40 2300 MHz B41 2500 MHz CA [G 1] schemes References & Notes
VNPT VinaPhone Corporation (Vietnamese: Tổng Công ty Dịch vụ Viễn thông, lit. 'Telecommunications Services Corporation'), [1] [2] also recognized by its brand name VinaPhone (sometimes stylized all owercase or alternatively Vinaphone), is a major mobile network operator in Vietnam and the core subsidiary of the state-owned Vietnam Posts and Telecommunications Group.
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 ...
1] [2] In Vietnam, mobile phone numbers follow the format 09x-xxxxxxx or new prefixes: 03x, 05x, 07x, 08x. The first 0 is the trunk code . The next 2 digits ( 3x, 5x, 7x, 8x or 9y ) specify the mobile phone operator.
Concerns over Chinese involvement in 5G wireless networks stem from allegations that cellular network equipment sourced from vendors from the People's Republic of China may contain backdoors enabling surveillance by the Chinese government (as part of its intelligence activity internationally) and Chinese laws, such as the Cybersecurity Law of the People's Republic of China, which compel ...
The V30 has 64 GB of internal storage, while the V30+ has 128 GB, which is expandable via microSD card. [1] This is also the first LG smartphone to feature an OLED display. The LG V30 uses a dual-lens camera setup with a 16- megapixel main sensor with a 71° field of view, and a 13-megapixel wide angle sensor with a 120° field of view. [ 2 ]