VinaPhone, Viettel slash roaming rates
(WorldNews Entertainment)

VinaPhone has announced a data roaming fee reduction by a staggering 99.7% applicable to post-paid subscribers. Customers will be charged only VND400 a megabyte instead of VND102,400 when traveling to the U.S., Japan, Singapore, Taiwan, Thailand, Malaysia, Laos and Cambodia. The above eight countries are popular...