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Mobile internet in Vietnam for tourists is one of the main concerns before a trip. Home network operators are eager to charge thousands of rubles for a few days of roaming. Below are five specific steps to help avoid this.
📵 1. Disable roaming before departure
As soon as the plane lands, the phone starts searching for a network — and roaming meters start automatically, even if you haven't opened anything. Go to your smartphone settings and disable data transmission in roaming before boarding the plane. Additionally, disable automatic app updates and iCloud/Google synchronization over mobile network. This one action can save thousands of rubles already on the first day.
📦 2. Choose the right data volume
Tourists often take the minimum package "on trial" and overpay for additional traffic at inflated prices. For Vietnam, aim for 1–1.5 GB per day: navigation, messengers, social networks. For two weeks that's about 15–20 GB. Compare several options in advance — the difference between 5 GB and 20 GB packages is often only 100–200 ₽, while overage charges are many times higher.
- Up to 7 days — 7–10 GB package is sufficient
- 2 weeks or more — look at unlimited or 20+ GB packages
- Active streaming — add 30–40% to the estimated volume
📲 3. Use eSIM instead of a physical SIM card
Buying a SIM card at Hanoi or Ho Chi Minh City airport is convenient, but prices there are higher than in the city, and queues are long. eSIM is activated remotely from home: you arrive with internet already working. This is the best option for those who don't want to spend time looking for a mobile shop. You can check current offers here: eSIM tariffs in Vietnam on e7m.ru (from 150 ₽). Make sure in advance that your smartphone supports eSIM — most models since 2020 do.
📊 4. Monitor data usage in real time
The most unexpected tip: background apps can consume up to 30% of your package unnoticed — while you sleep or go on excursions.
Enable the built-in traffic counter (iOS: Settings → Cellular; Android: Settings → Network → Data Usage). Set an alert when reaching 80% of your package. Disable background refresh for apps you don't need on your trip: news aggregators, streaming services, cloud storage.
🗺️ 5. Download offline maps before you leave
Navigation is one of the main data consumers. Maps.me and Google Maps allow you to download maps of needed regions of Vietnam over Wi-Fi at home — and then use them without internet. The map of all of Vietnam in Maps.me weighs about 200 MB and works with GPS without a single megabyte of mobile data. This is especially important in mountainous areas — Dalat, Sa Pa — where coverage can be unstable.
Following these five rules, you will get reliable and cheap internet in Vietnam without unpleasant surprises in your bill. If you want to compare connection options in more detail — e7m.ru has filters by country, duration, and data volume.