An In-depth Guide to eSIM for Traveling to Vietnam (Updated for 2025)

I. Overview of eSIM Services from Major Carriers in Vietnam

(A) Viettel

1. Network Coverage Advantages

• Urban Core Areas: In the vicinity of Hoan Kiem Lake in Hanoi, Viettel has established a dense network of high-speed 4G and some 5G coverage. Tourists can enjoy convenient online payments while shopping and dining, with clear video calls to share their experiences in real time.
• Popular Tourist Attractions: Ha Long Bay is a famous destination in Vietnam, where Viettel has optimized the network. Tourists can capture stunning karst formations from their boats and share them on social media; the stable network allows for easy access to information about attractions within the area.
• Transportation Hubs and Along Routes: At Tan Son Nhat International Airport in Ho Chi Minh City, Viettel provides comprehensive network coverage. Travelers can entertain themselves or handle work while waiting for flights, and use internet navigation during their journeys, with reliable signals along major roads.

2. Package Details and Features

• Short-Term Visitor Package: The 3-day package includes 500MB of data and 20 minutes of local calls for 50,000 VND, suitable for tourists with basic communication needs during short stays.
• One-Week Travel Package: The 7-day package offers 2GB of data and 50 minutes of local calls for 120,000 VND. Tourists can browse travel guides, book rides, and share moments with friends and family.
• Long-Term Exploration Package: The monthly package provides 8GB of data and 150 minutes of local calls for 350,000 VND, catering to long-term travelers, business professionals, or students needing reliable internet and communication.

(B) Vinaphone

1. Key Coverage Areas

• Shopping and Entertainment Districts: In Da Nang along the Han River, Vinaphone has invested in network infrastructure. Tourists can check product information while shopping and share photos of their dining experiences at night markets, with stable connectivity in entertainment venues.
• Cultural and Historical Sites: At the Imperial City of Hue, Vinaphone ensures good network signal coverage. Tourists can scan QR codes for historical explanations while exploring ancient sites and share their experiences in rest areas.
• Coastal Resort Areas: In Nha Trang Beach resort areas, Vinaphone provides comprehensive coverage. Tourists can use the internet smoothly at the beach and resorts to document and share their enjoyable moments.

2. Package Types and Highlights

• Data Sharing Package: Purchasing a 4GB data package allows users to share their data with other devices via a hotspot, accommodating multiple users, making it ideal for families or group travel.
• Flexible Duration Packages: Vinaphone offers a variety of duration options, including 3, 5, 7, 10, 15, and 30 days. The 10-day package includes 3GB of data and 80 minutes of local calls for 200,000 VND, allowing tourists to choose based on their itineraries.
• Value-Added Service Packages: Some packages provide free access to specific travel apps that include detailed guides, off-the-beaten-path recommendations, and food maps, as well as possible international calling or SMS services.

For Vinaphone’s extensive packages, PhoneSIMGo also provides a thorough overview. On the PhoneSIMGo website, you can easily compare the differences between various Vinaphone packages and quickly find the most suitable one based on your travel plans in Vietnam, such as duration of stay and main activity areas. The platform also intelligently recommends appropriate Vinaphone eSIM packages based on your browsing history and preferences, making the selection process simpler and more efficient. Additionally, the purchasing process provided by PhoneSIMGo is convenient and secure, guiding you from order placement to receiving eSIM activation details, allowing you to confidently begin your Vinaphone eSIM journey.

(C) Mobifone

1. Featured Coverage Areas

• Mountain Tourist Attractions: In the Sapa mountains, Mobifone provides coverage for major attractions and hiking routes through special base stations. Tourists can use their phones for navigation while hiking and share scenic views in real-time.
• Industrial Zones and Surroundings: Mobifone offers network services in and around Vietnam’s industrial parks. Business travelers can conveniently handle work matters in these areas.
• Religious Sites: At religious sites like the Bao Dai Palace in Da Lat, Mobifone ensures good network signal quality. Visitors can learn about religious culture and share the atmosphere of these sites.

2. Package Content and Advantages

• Affordable Package: The 5-day package costs 80,000 VND and includes 1GB of data and 30 minutes of local calls, making it a great option for users with low data needs.
• High Data Package: The monthly package costs 450,000 VND and provides 12GB of data along with 200 minutes of local calls, meeting the needs of users who regularly watch videos, download files, or engage in live streaming.
• Promotional Combo Packages: Occasionally, Mobifone offers promotional combo packages, such as 6GB of data, 100 minutes of international calls, and 150 SMS for 300,000 VND, catering to various needs and providing savings.

II. Key Points for Using eSIM in Vietnam

(A) Device Compatibility Confirmation

1. Apple Devices: Most iPhone models from XS and later support eSIM, but some models purchased in mainland China may not. You can check for the “Add eSIM” option in “Settings” > “Cellular.” Some iPad Pro models also support eSIM and can be checked in the device settings.
2. Android Devices: For high-end models like the Samsung Galaxy S20 series and later, check for eSIM settings in “Settings” > “Connections” > “Mobile Networks.” If unsure, you can contact the manufacturer’s customer service for guidance on software updates or settings adjustments.
3. PhoneSIMGo Device Compatibility Checker: The PhoneSIMGo website features a device compatibility checker. By entering your brand and model, you can quickly obtain a compatibility report for Vietnam eSIM, helping you understand your device’s suitability in advance.

(B) Activation Process and Key Points

1. Plan Ahead for Activation: Different carriers have varying activation processes and times. Some may require identity verification, which can take several hours. It is advisable to start the activation process at least one day before your departure, especially if you have a morning flight.
2. Follow Activation Steps Carefully: For example, with Viettel, ensure you accurately enter your IMEI code and double-check for errors. Follow prompts to upload your passport photo for identity verification, paying attention to case sensitivity in verification codes. If you encounter errors, contact customer service promptly for assistance.
3. PhoneSIMGo Activation Assistance: After purchasing a Vietnam eSIM, PhoneSIMGo will send you an activation guide via email, including step-by-step instructions and FAQs. If you have difficulties, you can reach out to customer service for one-on-one activation assistance.

(C) Data Management and Overages

1. Carrier Overages Policies:
   • Viettel: Charges 80,000 VND for each additional 1GB used beyond your plan limit, so users should monitor their data usage to avoid high overage fees.
   • Vinaphone: Reduces speeds to 3G after exceeding the plan, requiring the purchase of additional data packages to restore high-speed access, with 1GB priced at 100,000 VND.
   • Mobifone: Charges per MB for overage data, with costs accumulating quickly, so users need to plan their data usage wisely.
2. Data Monitoring and Alert Settings: Users can set data usage alerts through the carrier’s app or phone settings. For instance, the Viettel app allows users to set notifications when data usage reaches 80% or 90% and offers a detailed view of data usage.
3. PhoneSIMGo Data Management Services: PhoneSIMGo provides real-time monitoring of user data, sending SMS and platform notifications as users approach their limits, and recommending suitable data add-on options. Users can conveniently purchase additional data through the PhoneSIMGo platform to ensure uninterrupted internet access during their travels in Vietnam.

Summary

Choosing the right eSIM service while traveling in Vietnam offers significant convenience. PhoneSIMGo integrates high-quality packages from various Vietnamese carriers, providing a one-stop solution. Through the PhoneSIMGo website, users can compare network coverage, package prices, and special services to select the most suitable package based on their travel plans, internet habits, and budget. Let PhoneSIMGo support your journey in Vietnam, providing seamless communication and creating wonderful memories.