Which is the Best eSIM for Phu Quoc, Vietnam? Complete Guide for Travelers 2025

1. Why staying connected matters in Phu Quoc

  • As someone who's guided thousands of travelers through the pristine beaches and hidden gems of Phu Quoc, I can tell you that staying connected isn't just convenient—it's essential. Whether you're navigating to the famous Sao Beach, translating a menu at the bustling Dinh Cau Night Market, or sharing that perfect sunset photo from the cable car to Hon Thom Island, reliable internet makes your Vietnam adventure seamless.
    Let me share everything you need to know about choosing the best eSIM for Phu Quoc based on real travel experiences.

  • When you’re exploring the beaches, islands, restaurants and stunning sunsets of Phu Quoc, Vietnam, having reliable mobile data is more than just a convenience—it’s essential. With a good eSIM you’ll be able to:

    • Use Google Maps to navigate to those hidden beaches and island-hopping spots.
    • Use Google Translate when communicating with locals or reading menus in Vietnamese.
    • Search for and book rides, car rentals, island tours or restaurant reservations.
    • Instantly share your holiday photos and videos on social networks.
    • Stay in touch with family/friends, upload real-time updates.
    • For those reasons, choosing the Best eSIM for Phu Quoc Vietnam is a smart travel move.

  • Best eSIM Plan For Phu Quoc, Vietnam

    Viettel is widely recognised for having the most extensive and robust network coverage across Vietnam—including islands and more remote areas.
    If you plan to explore more remote beaches or stay a while, Viettel is a strong choice.

    Phu Quoc is well-developed for tourism, but some remote beaches and jungle areas still have varying signal strength.

ESIM VIETNAM

Viettel eSIM Daily 5GB For 10-15-20-30 Days

$10.80 USD
$10.80 USD
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5GB/Day For 10/15/20/30 Days
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2. Which mobile networks cover Phu Quoc well?

  • 2.1 Viettel - The Coverage King

    Coverage: 95%+ across Phu Quoc
    Speed: 4G/5G in urban areas, solid 4G elsewhere

    Viettel dominates Vietnam's telecommunications landscape and offers the most comprehensive coverage in Phu Quoc. From the northern beaches of Rach Vem to the southern tips of An Thoi, Viettel maintains strong signals. I've tested this network personally at remote locations like Ganh Dau Beach and the Phu Quoc National Park trails—rarely do you lose connection.

  • 2. Vinaphone - Reliable Alternative

    Coverage: 90%+ across main tourist areas
    Speed: Consistent 4G throughout the island

    Vinaphone provides excellent service, particularly in central Duong Dong town and around major resorts. The network performs exceptionally well along the western coast where most hotels and attractions cluster.

  • 3. Mobifone - Budget-Friendly Option

    Coverage: 85%+ in populated areas
    Speed: Good 4G in towns, can be slower in remote spots

    Mobifone works well if you're staying primarily in developed areas. However, if your adventure plans include trekking to waterfalls or exploring the eastern coastline, you might experience occasional dropped signals.

Best eSIM Travel For Phu Quoc

3. How much data you’ll need in Phu Quoc

  • Here’s a rough estimate based on trip length and usage:

  • Light Usage* (maps/social)

    * Light usage: checking maps, WhatsApp, posting photos occasionally.
Social_Data_usage_in_Phu_Quoc_Vientam

Data Consumption guide for Poppular Activities in Phu Quoc

Practical tips for Phu Quoc:

  • If you’re mainly exploring beaches, taking photos and posting once a day → moderate usage.
  • If you’re uploading several videos, live streaming, tethering other devices → heavy usage.
  • If you’ll mostly rely on hotel/ resort WiFi for heavy tasks, your mobile data plan can be smaller.
  • For a 7–10 day trip, something like Vinaphone daily 6GB for 7-10-15 days (7,9 - 9,9 - 12,9 USD) works for light-moderate use.
  • For 15–30 days, Viettel daily 5 GB for 10 - 15 - 30 days (fromm 10,8 - 17,9 USD) gives plenty of buffer for photo/video sharing.

Data Usage Guide

Activity / Estimated Data Used:

  • Google Maps (1 hour): 10–20 MB
  • Watching TikTok (1 hour): 700–900 MB
  • Instagram photo upload: 2–4 MB/photo
  • Video call (10 minutes): 25–40 MB
  • YouTube HD (1 hour): 1–1.5 GB

4. eSIM vs Physical SIM – What’s best for you?

  • eSIM advantages

    • You don’t need to swap a physical card; you just install via QR code.
    • You can keep your home number active (dual-SIM) while using local data.
    • Usually you can buy online before you depart and arrive ready.
    • Ideal for travel professionals, families who want quick turn-key connectivity.

  • Physical SIM card

    • Useful if your phone doesn’t support eSIM.
    • You might need to locate a local provider store, registration (passport), etc.
    • Sometimes cheaper, but less convenient.

  • My recommendation for your Phu Quoc trip

    If your phone supports eSIM and is unlocked, go with an eSIM (via Viettel, Vinaphone). It removes hassle. If not, go with a local physical SIM as fallback.

5. Cost, purchase & safe buying – what you should know

  • Cost breakdown

    • As shown in the table above: you’re looking at ~$7.9-10.8 for a short 7-10 day plan; ~$11.9-17.9 or so for a 15-30 day plan (depending on data).
    • Local sources say you can get SIMs from approximately US$2-9 for very basic plans at airport kiosks.
    • But those may have weaker data, expire sooner, or have registration issues.
    • Make sure when comparing that you check: network operator, data per day (if “daily quota”), validity, hotspot/tethering allowance, whether calls/texts included, local number included.

  • Where to buy safely

    • Airport kiosks: Many travellers buy at the airport when they arrive in Vietnam. Convenient but can be more expensive, might involve a registration process, and there’s risk of buying a less-reliable plan.
      Ahoy, Vietnam!
    • Official stores of the network: Visit a official Viettel or Vinaphone store (with your passport) for a trusted physical SIM or ask about eSIM.
    • Buy eSIM Online: You can easily find esim online, just looking for reputable websites to buy esim like vietnamesim.vn, they offer online eSIMs for Viettel and Vinaphone, Almost suitable Vietnam eSIM Plans, and Stay connected everywhere in Vietnam.
    • Before departure: Buying an eSIM before you leave home means you arrive and already have data. Good for peace of mind.

  • Security tips

    • Ensure the eSIM provider is legitimate, secure payment, clear terms.
    • Make sure your phone is unlocked and supports eSIM.
    • Keep documentation/receipt of purchase.
    • On arrival, switch your mobile data to the eSIM line rather than the roaming line from your home provider (to avoid roaming charges).
    • Note the validity start date: for many plans activation starts when you install or when you land — make sure you time it right.

7. How to Use Sim and eSIM in Phu Quoc?

  • For eSIM Users

    Before Departure:

    1. Verify your phone is eSIM compatible
    2. Purchase eSIM from trusted provider
    3. Receive QR code via email
    4. Keep QR code accessible (screenshot or print)

  • Upon Arrival in Phu Quoc:

Please follow these steps to install esim on iphone

  • Step 1: Turn on the Wi-Fi connection of your iPhone
  • Step 2: Open Settings: Go to the Settings app.
  • Step 3: Navigate to Cellular
  • Step 4: Tap Set Up Cellular or Add eSIM.
  • Step 5: Tap to Scan QR Code
  • Step 6: Follow the on-screen instructions to complete the activation.

To install an eSIM on a Samsung (Android) device, you can:

To install an eSIM on a Samsung (Android) device, you can:
1. Go to Settings
2. Tap Connections
3. Tap SIM manager
4. Tap Add eSIM
5. Tap Scan QR code and scan the code
6. Select Confirm/Add to save your eSIM profile

Tip:
Keep your home country number active but disable data to avoid roaming charges while still receiving SMS verification codes.

  • For Physical SIM Users

    At Purchase Location:

    1. Present passport (mandatory in Vietnam)
    2. Choose data package based on trip length
    3. Staff will insert and configure SIM
    4. Verify internet connection works
    5. Save carrier customer service number

  • Important Settings:

    APN may need manual configuration

    Staff should handle this, but verify data works

    Save screenshots of settings just in case

Troubleshooting Common eSIM Issues in Phu Quoc

Issue: "No Service" After Activation

  • Solution: Set airplane mode on/off
  • Check that data roaming is enabled for your eSIM
  • Restart your phone
  • Verify the eSIM profile is set as primary for data

Issue: Slow Speeds Despite Good Signal

  • Solution: Check if you've exceeded daily fair usage limits
  • Switch between 4G and 5G modes

Issue: QR Code Won't Scan

  • Solution: Increase screen brightness to maximum
  • Ensure camera has permission to access photos
  • Contact provider for Manually enter activation code.

Issue: Can't Make Calls in Phu Quoc

  • Note: Most data-only eSIMs don't include voice calls
  • Solution: Use WhatsApp, Skype, or similar apps for calls
  • Keep your home SIM active if you need traditional calling

24/7 Support Contacts:

  • Whatsapp/Tele: +84 559080644
  • Email: Esimcardvietnam@gmail.com