Search results: sim viettel

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

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!

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