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Call/Chat with us on our WhatsApp number: +6592361258

Write an e-mail to support@etravelsim.com

To activate your eSim after purchasing eTravelSim, you will receive a QR code via email. You will need to scan this QR code using your phone's camera to install the eTravelSim onto your device. Once the installation is complete, your eSim should be activated and ready to use.

To check your balance simply click here.

or

- Go to Account Section

- If you are an existing  customer then login else create account with the same email ID from which you had purchased the eSim.

- On the My Account page, you will see a list of all the orders.

- Click the View Balance button against the order number to fetch the balance of your number. 

OR 

Please mail support@etravelsim.com mentioning your order number, and the support team will provide you with the required details.

We provide recharge options directly on our website for your convenience. However, if, for any reason, the recharge options are not available on the website, please don't hesitate to reach out to us for assistance. Simply send us an email at Support@etravelsim.com, including your order number, and we will promptly top up your account. Our customer support team is committed to ensuring continued connectivity and will gladly assist you with any recharge-related queries or concerns.

No, however, at ETravelSim, we take the security of our customers seriously. To protect our customers from fraudulent activities and maintain a safe shopping environment, we may request additional identity verification for transactions flagged by our payment gateway as suspicious or potentially fraudulent.

If your transaction is marked as such, we kindly ask you to cooperate with our verification process. This may involve asking for valid proof of identity, such as a government-issued ID or passport. Rest assured that all personal information will be handled securely per our privacy policy.

We apologise for any inconvenience this may cause. It is an essential step to ensure the safety and integrity of our services. Thank you for your understanding and cooperation in this regard.

If you have any questions or concerns regarding this process, please don't hesitate to contact our customer support team at support@etravelsim.com.

Our unlimited data plans are designed for individual use on a single device. Please note that these plans do not support mobile hotspot usage. The unlimited data provided is intended for personal use on your device only. If you require mobile hotspot functionality, we offer separate plans catering to this feature. Please explore our options to find the plan that best suits your needs. Should you have any further questions or require assistance, our customer support team is here to help.

To activate an eSIM on an iPhone, follow these general steps. Remember that the exact process might vary slightly depending on your carrier and iOS version. These are the steps you would typically follow:

Check Compatibility: Ensure your carrier supports eSIM activation and your iPhone model is compatible with eSIM technology.

Obtain an eSIM QR Code: Contact your carrier and request an eSIM activation QR code or activation details.

Connect to Wi-Fi or Cellular Data: Ensure your iPhone is connected to Wi-Fi or cellular data, as you'll need an internet connection for the activation process.

Access Settings: Open your iPhone's "Settings" app.

Cellular (or Mobile) > Add Cellular Plan: Navigate to "Cellular" (or "Mobile" in some regions) and tap on "Add Cellular Plan."

Scan the QR Code: If you received a QR code, use your iPhone's camera to scan the QR code provided by your carrier. Enter the necessary information manually if you received activation details without a QR code.

Confirm and Activate: Follow the on-screen instructions to confirm the details and activate the eSIM. You might be asked to restart your iPhone after activation.

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Data plans range from 1 GB to 100 GB with a 10-day validity period.

The best eSIM for Vietnam is one that offers strong coverage on Viettel or Vinaphone networks, fast 4G/5G speeds, and flexible data plans. Most travelers prefer plans with 7–30 day validity that balance price, speed, and easy activation.

Buying an eSIM before traveling is usually the better option. It saves you from airport queues, avoids higher tourist pricing, and ensures your internet starts working immediately when you land in Vietnam.

You can buy a Vietnam eSIM from international eSIM providers online. The process is simple - choose a plan, pay, and receive a QR code instantly. This allows you to install and activate your eSIM without visiting any physical store.

To use an eSIM, scan the QR code provided after purchase and install it through your phone settings. Once you arrive in Vietnam, turn on the eSIM line and mobile data - it will automatically connect to a local network.

Yes, eSIM works very well in major cities like Hanoi, Ho Chi Minh City, and Da Nang, as well as popular tourist destinations. Coverage is reliable for maps, social media, and browsing, though it may be slightly weaker in remote rural areas.

The ETravelSim Vietnam eSIM works across Hanoi, Ho Chi Minh City, and Da Nang with strong 4G/LTE and 5G coverage on the Viettel and Vinaphone networks. Expect reliable signal at Hanoi's Old Quarter, Hoan Kiem Lake, Tan Son Nhat and Noi Bai airports, District 1 in HCMC, the Marble Mountains, and along the Hai Van Pass. Use it for Grab rides, Google Maps, WhatsApp, and Vietnamese ride-hailing apps without interruption.

The ETravelSim Vietnam eSIM works in Sapa town, Ha Giang town, and Phong Nha town centers, but signal becomes uneven on remote mountain roads, the Ha Giang motorbike loop, and inside Phong Nha's national park caves. Viettel has the strongest rural reach, which is why ETravelSim uses it as one of the connected networks. Download offline Google Maps and the Maps.me Vietnam pack before heading north. Expect connectivity at homestays and trekking villages but plan around drops on remote passes.

The ETravelSim Vietnam eSIM works on most Ha Long Bay cruise routes near the bay's main visitor zones and across the Mekong Delta provinces including Can Tho, My Tho, and Ben Tre. Cruise boats further out from the bay's mainland tower coverage may lose signal — this happens on every Vietnamese carrier and isn't specific to one network. Mekong river towns have solid coverage; remote backwater channels and small islands may drop to 3G or zero. Save itineraries offline for boat days.

The ETravelSim Vietnam eSIM connects to Viettel and Vinaphone, Vietnam's two largest mobile networks. Viettel has the widest coverage including rural northern provinces, Sapa, Ha Giang, and the central highlands. Vinaphone is the second-largest with strong urban performance. Connecting to both gives the eSIM fallback options if one network has congestion or coverage gaps in your specific location — useful on long bus rides, train routes, and motorbike loops between regions.

The ETravelSim Vietnam eSIM supports 4G, LTE, and 5G across Vietnam. 5G is widely deployed in Hanoi, Ho Chi Minh City, and Da Nang, with rapid expansion underway in coastal cities. Outside major cities, your phone falls back to 4G/LTE, which still handles streaming, video calls, and Grab navigation without issue. The 5G difference matters most for large file uploads, HD video streaming, and remote work from Da Nang or HCMC cafés.

For a typical 10-day Vietnam trip covering Hanoi, Ha Long Bay, Hoi An, and HCMC, 6 GB to 10 GB is enough for most travelers. A 2 to 3-week multi-city trip with daily Grab, Google Maps, WhatsApp, and casual photo uploads usually needs 10 GB to 20 GB. Heavy users uploading reels from Sapa or Ha Giang or working remotely should pick 20 GB or 100 GB. Long bus rides and train journeys consume more data than expected because of constant navigation and entertainment use.

Validity on the ETravelSim Vietnam eSIM starts the day you begin using it in Vietnam, not the day you buy or install it. You can purchase weeks in advance, install the QR code at home before flying, and the timer only starts when your phone connects to the Vietnamese network on arrival. Installing at home is the safer option because you'll know before boarding the eSIM is set up correctly. Don't delete the eSIM profile after installation — reinstallation may not be possible.

The ETravelSim Vietnam eSIM is data-only. There are no incoming calls, no SMS, and no Vietnamese phone number assigned. Use WhatsApp, FaceTime, iMessage, or Zalo (Vietnam's most popular messaging app) over the data connection. Most hotels, tour operators, and Grab drivers in Vietnam reach you on Zalo or WhatsApp. Keep your home SIM active in your phone for calls to your usual number and to receive banking OTPs, with cellular data turned off on that line.

Hotspot and tethering are allowed on the ETravelSim Vietnam eSIM's fixed-data plans, but not on the Unlimited plans, which are designed for single-device use. If you need to share data with a laptop or another phone — common for digital nomads working from Da Nang or Hoi An cafés — pick a fixed plan in the 10 GB, 20 GB, or 100 GB range. Tethered data draws from your plan allowance like any other usage.

Buying a local SIM at Vietnam's airports is straightforward — Viettel, Vinaphone, and Mobifone all run kiosks at Tan Son Nhat (HCMC), Noi Bai (Hanoi), and Da Nang International with passport registration. Airport tourist SIMs typically cost $8 to $15 and the queue takes 10 to 25 minutes after a long flight. The ETravelSim Vietnam eSIM installs at home before you fly, requires no passport handover or kiosk visit, and connects the moment your plane lands.

The ETravelSim Vietnam eSIM is for Vietnam only, so data stops the moment you cross into Cambodia, Laos, Thailand, or China. For multi-country Southeast Asia trips, ETravelSim sells an Indochina Connect eSIM covering Vietnam, Cambodia, Laos, and Thailand on a single plan, plus an Asia 14 Countries eSIM for wider coverage. If anything goes wrong with activation, contact support 24/7 via WhatsApp at +65 9236 1258, the on-site chat, or support@etravelsim.com with your order number.