Tags : sim viettel

Basic knowledge • 26 May 2019

How to check whether Viettel subscribers need additional personal information before April 24 or not

just follow the instructions in this article, you will know if your viettel sim needs to add personal information before april 24 or not. please check early and update the sim

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Mobile • 25 May 2019

Viettel sim has waves but cannot call, causes and ways to overcome

if you are encountering error viettel can't call but don't know why and how to fix it, please take a moment to follow the article below!

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Technology story • 24 May 2019

Viettel sim owners need to add personal information before April 24 if they do not want to be one-way blocked

viettel sim owners who are operating must fully update the correct information including full name, identity card number, date of issue and place of issue, their own portrait

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