How good is the network coverage of this SIM card?
Viettel is the top Telco in Vietnam with the widest network and substantial 4G+ speed coverage.
If I finished using my data, will I still be able to surf internet at a slower speed?
Yes you can but speed will be slowed down to 128kbps.
Can this card be topped up?
Does this card comes with a Vietnam mobile number?
No. It is a Hong Kong card with Hong Kong mobile number and comes preloaded with 20 minutes calls credit.
Can I use Whatsapp to chat and make calls with this card?
You certainly can. Using Whatsapp to call saves you money.
Is the data inside this card enough for my usage?
An average person consumes 4GB (4000MB) of data in a 15 days period. More less if travelling overseas for leisure as most of the time will be spent looking at sceneries or participating in some form of outdoor activities. To find out more about usage, you can read our general FAQ here.
What are the shipping rates and how long will it takes for my purchases to arrive?
Find out more information on our shipping and delivery here.
Can I use this SIM card in a new phone?
Make sure you make at least 10 to 15 minutes calls and receiving calls to unlock the phone so it can be used with overseas SIM cards.