...** ** Dial ** *** 109*200B*0#** và nhấn ** ok **.
** 2.Hashtags **
* #V200bviettel
* #8gbdataperday
* #500minutesoffreecalls
* #500SmstoallNetworks
* #Viettelpackage
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1. **How to register V200B Viettel receives 8GB/day, calls for free**
**1.1. What is...