If you want to pay SVIP by Visa & Master card, please visit: https://www.seagm.com/viettel-prepaid-card
You buy Viettel card by Visa & Master card
Then, you send mail:
Card No Viettel:
PIN Viettel:
Username (on trainude):
>>>> Send to: [email protected]
50.000 VND = 1 month ; 100.000 VND = 2 months ; 200.000 VND = 4 months
Guide to buying Viettel card: