HO CHI MINH CITY -- The sale of low-end smartphones has reached the highest level since 2022 in Vietnam, where the phase-out of 2G has forced millions to buy smartphones for the first time.

2G, first introduced in 1992, is the second-generation of cellular telephone technology and the first to use digital encryption of conversations. 2G networks were the first to offer data services ...

2G, first introduced in 1992, is the second-generation of cellular telephone technology and the first to use digital encryption of conversations. 2G networks were the first to offer data services ...