Viettel still Việt Nam’s fastest mobile provider in Q4 stockbot 0 77 2022.01.22 18:42 http://vietnamnews.vn/economy/1118149/viettel-still-viet-nams-fastest-… + 7 https://vietnamnews.vn/rss/economy.rss + 6 Viettel once again claimed the top spot as Việt Nam’s fastest mobile provider during the last quarter of 2021, earning a speed score of 48.23 on modern chipsets, the data service provider Ookla’s latest Q4 Vietnam Internet Performance Report showed.