Up to your arrival, turn on your Mobile phone.
Settings/Network/Selection mode: Choose Manual mode
Make sure that VinaPhone/452 02 displayed on your handset.
1.   This service is only available to subscribers with operators that VinaPhone has roaming agreement.
2.   You should have an individual subscription for roaming service with your home network.
conexus-mobile-icon
23-04-2012
“VinaPhone is proud to join the 10 established member operators of the Conexus Mobile Alliance to develop and enhance mobile data services across Asia while improving overall customer...more
callCenter
23-04-2012
Vinaphone, a leading mobile operator in Vietnam, set up the first and unique   International Call Center to serve foreigners in 4 languages: English, Mandarin, Korean, Japanese. Targeted...more
Police
113
Fire
114
Ambulance
115
Call Center    9192
Language Support
English, Chinese, Japanese, Korean
In order to make a local call, please add +84/0084 before dialing contact number.
For example:
contact number: 0912345678. You
should dial in: +84912345678.