Viettel has just launched the Event on March 8 and is causing a fever among young people with its 4G network
โUse 4G sim, free to experience 4G dataโ
Debut March 8 and there is no end in sight.
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- Customers can deals This right after you sign up or buy 4G SIM in Viettel Store nationwide!!
How to receive 10 GB high speed data after changing 4G SIM:
Step 1: Bring ID card (ID card) and SIM Go to the store you want to change or you can register directly SIM 4G new !!
Step 2: After successful change, you can text with the syntax 4G send 191 to be give away 10 GB data high speed with expiry date 7 days.
Step 3: After having response message. You should disconnect from the network and restart the machine Let the sim activate then use !!
Good luck
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