Tags Lunar New Year festival Mobile operators prepare for Tet Wednesday, Jan 25, 2017 Mobile phone operators said they are making preparations to avoid network congestion during the Tet (Lunar New Year) festival. Viettel offers 4G preview during Tet Tuesday, Jan 24, 2017 To prevent the usual network logjam during Lunar New Year festival, Viettel Network company has upgraded all its 14,000 base transceiver stations (BTS) and installed 190 new ones, all of which can provide 4G services. Food prices rise ahead of Tet Friday, Jan 03, 2014 The prices of essential foods have been on the rise, although demand has not increased and the Lunar New Year Festival is one month away.