The cheapest option is through Mobifone for a large amount of data.

  1. Buy a prepaid mobile SIM from Mobifone for 50,000 VND (thẻ trả trước) at any Mobifone point. You should bring your passport to the place (needs to be valid for 6 months).

In Vung Tau, the address of Mobifone is 605 Trương Công Định, Ward 7, Vung Tau. Working hours: 7:30am-9:30pm.

  1. Ask Ngọc Lê for a code to fill into your phone’s dial to receive 5GB data for 30 days. She would buy the 5GB data through an app called Momo and it should cost you 56,000 VND.

⇒ Total cost: 106,000 VND = $4.55

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