Yandex Maps offline & eSIM for Russia travelers in Vietnam

Yandex Maps is the preferred navigation app for most Russian travelers, and it works well in Vietnam once you’ve downloaded the offline map. The Vietnam offline pack is about 1–2 GB depending on detail level, so it’s best to download it over Wi‑Fi while still in Russia or at your hotel. Once saved, the app provides full navigation, transit info, and points of interest without needing any mobile data.

Another reason to use Yandex Maps offline is better coverage of Vietnamese addresses written in Cyrillic transliteration — a common point among travelers. Google Maps often shows only English or Vietnamese names, while Yandex Maps includes spellings that are more familiar to Russian speakers. This makes finding places easier, especially in less touristy areas.

Launch Yandex Maps, search for “Vietnam” or a specific city (Hanoi, Ho Chi Minh City, Da Nang, Nha Trang). Tap the country or region name, then select “Download map” or “Offline maps”. You can choose between a full country download or individual cities; for entire Vietnam the “Full country” option is recommended. The download can be paused and resumed if the connection drops.

Make sure you have at least 2 GB of free storage on your device. Set the app to download only over Wi‑Fi to avoid using mobile data from your Russian plan (which would incur roaming charges). After the download finishes, go to Settings and enable “Work offline” mode to prevent Yandex Maps from accidentally using mobile data later. If the download fails, check your storage space and retry on a more stable connection.

Vietnam’s 4G/LTE networks generally deliver 10–40 Mbps in major cities like Hanoi, Ho Chi Minh City, and Da Nang when not under heavy congestion. Coverage is strong on main roads and in tourist areas, though remote regions such as Sapa, Ha Giang, or Phu Quoc may drop to 3G or have no signal. We have not performed any speed tests ourselves; the numbers mentioned here are based on carrier public statements and typical user reports.

Viettel, the largest carrier, publishes ~99% population coverage for 4G. Vinaphone and Mobifone have slightly lower coverage in rural and mountainous areas. For daily use — browsing, social media, video calls (Telegram, WhatsApp) — 4G is reliable. Streaming video at standard definition works well; for heavy use like HD streaming or large file uploads, a plan with at least 5 GB per day is comfortable.

Russian travelers often stay 2–3 weeks, so a 15‑day or 30‑day eSIM plan is practical. We offer two main options: Viettel and Vinaphone. Viettel has the widest coverage of any Vietnamese carrier, making it a strong choice for trips that visit multiple cities or remote areas. Vinaphone provides good speeds in urban centers and is a reliable alternative for city‑only itineraries.

Our 15‑day Viettel plan costs $12.90 with 5 GB/day; the 15‑day Vinaphone plan is $13.90 with the same daily allowance — Vinaphone is slightly more expensive. For budget‑conscious travelers, Viettel offers similar performance at a lower price. Both eSIMs are prepaid and cannot be topped up; if you run out of data, you need to buy a new plan. Choose a plan with enough daily data for your usage: 5 GB/day is sufficient for maps, messaging, light streaming, and calls via VoIP apps.

Install the eSIM before departure if your device supports eSIM (iPhone XS and newer, Samsung Galaxy S20+, Google Pixel 3+, most recent Android flagships). The QR code is sent by email after purchase; scan it in Settings > Cellular > Add Cellular Plan. Keep your Russian physical SIM (MTS, Beeline, Megafon, etc.) in the phone for receiving SMS banking codes and two‑factor authentication.

Set the eSIM as the primary data line. On the Russian line, disable data roaming and set it to “Use for voice only” or keep it off for data to avoid roaming charges. Mainland Chinese iPhones (e.g., A2643) do not support eSIM at all — for those devices, a physical SIM is the only option. If you encounter “No Service” after landing, toggle airplane mode or reboot the phone; this usually resolves the activation delay.

Q: Can I use Yandex Maps on the eSIM? A: Yes. With the eSIM’s data connection, Yandex Maps loads map tiles and traffic in real time. For offline use without data, you must pre‑download the Vietnam map before arrival. The eSIM gives you the flexibility to use both online and offline modes.

Q: How to keep my Russian number active? A: Keep your Russian physical SIM inserted in the phone. Disable data roaming on that line to avoid international charges. The eSIM will handle all your data needs. You will still receive SMS and calls on your Russian number when connected to any network.

Q: Which carrier gives best coverage in Sapa? A: Viettel offers the widest 4G coverage in remote mountainous areas like Sapa. Vinaphone has somewhat less coverage in such regions. If you plan to visit Sapa or Ha Giang, choose Viettel for the best chance of a stable connection.

Q: Will my eSIM work in other SE Asian countries? A: No. Our local Vietnam eSIMs are valid only within Vietnam. For multi‑country travel, you would need a regional eSIM from a provider like Airalo. We do not sell roaming plans.

Q: Can I top up data if I run out? A: No. All our eSIM plans are prepaid and cannot be topped up or extended. If you finish your daily allowance or the plan expires, you need to purchase a new eSIM. Choose a plan with a high enough daily limit for your usage to avoid running out.