【Commbitz】Vietnam eSIM | Selected Option Include Calls & Texts
- Receive your eSIM instantly after placing your order—no shipping delays.
- Environmentally friendly, no consumables, free shipping, and zero risk of losing a physical SIM card.
- Easily install the eSIM by scanning the voucher—no need to wait for delivery or visit a physical store.
- Scan the QR code to access 5G/4G internet, offering a convenient and eco-friendly alternative to physical SIM cards.
Package Options
What You Can Expect
No refunds after purchase; please confirm your phone's eSIM compatibility beforehand.
Before activating the eSIM, please update your iOS to the latest version and connect to a stable Wi-Fi network. Older iOS versions and unstable networks are common causes of eSIM activation failures.
Turn on the camera, scan the eSIM QR code, and tap "Add Cellular Plan."
Activation typically takes around 2–3 minutes. Any interruptions during this process may result in installation failure.
You can assign a label to each cellular plan, and customize your eSIM label by going to Settings and selecting Cellular.
Select the default line (Primary SIM) to designate the main phone number for receiving text messages. Please ensure that international roaming is activated for your main number with your original carrier to receive messages.
You can designate the primary SIM for iMessages and FaceTime.
Make sure to select eSIM as your cellular data plan. A common reason for being unable to access the internet is that eSIM mobile data is not enabled.
You can also manually add the eSIM if you're unable to scan the QR code.
After copying the eSIM activation code, please follow the steps to manually enter the eSIM information.After copying the eSIM activation code, please follow the steps to manually add the eSIM information.
Purchase Notice
- Daily Data Plan: Once the daily quota is used up, there will be no internet connection.
- Include local number to receive calls and texts. (Receive only)
- Calculation method of days: 24-hour system. For example, you purchase a 3-day plan and install it at September 1 at 10:00 am. The plan will end at September 4 at 9:59 am.
- Please note that the validity period will begin upon installing. We recommend installing the eSIM at the start of your travel to ensure optimal usage.
- WiFi Calling and Data Roaming should be enabled after eSIM installation.
Reminders
Please turn off the data roaming function of the original SIM card to avoid high roaming fees.
Please make sure your mobile phone and its operating system are compatible with eSIM, failure to do so may result in activation failure, refunds will not be granted.
Please note that iPhones sold in China do not support eSIM and certain mobile phones sold in Hong Kong and Macao do not support eSIM. If you have any questions, please contact customer service, preferably before booking.
In order to ensure all users' accessibility to the internet, each telecom carrier implements their fair usage policy to monitor data consumption. If a user's data consumption negatively affects other users' internet connections, the telecom carrier may enforce speed restrictions temporarily. Please note that under such circumstances, KKday has no right to intervene.
The quality of communication may be affected by outside conditions; surrounding landforms (e.g. mountains), weather, obstruction by buildings, the number of users, or locations may affect the speed and quality of the internet.
How to Redeem Your Voucher
Voucher Redemption Period
- Valid for redemption within 30day(s) from the date of issue; Invalid after expiration
Validity Period
- Valid for use within 30day(s) from the date of issue; Invalid after expiration
Cancellation Policy
- Once the order has been completed, it cannot be canceled, modified, or refunded
- Due to time zone differences, the confirmed cancellation date is based on the supplier’s local time. Please allow 2–5 business days to process your cancellation request, after which the cancellation fee will be charged according to the product’s cancellation policy. Once the cancellation is confirmed, you will receive your refund within 14 working days.
FAQ
To use a Vietnam eSIM, your smartphone or tablet must support eSIM technology. Most newer iPhone models (iPhone XR/XS and later), Google Pixel phones (Pixel 3 and later), and select Samsung Galaxy models (S20 and later) are compatible. It's recommended to check your device's specifications or consult your manufacturer to confirm eSIM support before purchasing a plan.
A Vietnam eSIM offers instant activation via QR code scan, eliminating the need for a physical card swap and avoiding the risk of loss. It's environmentally friendly with no plastic waste. A physical SIM requires installation into your device, and you might need to locate a local store upon arrival. Both provide local mobile data, but eSIM offers greater convenience and flexibility, particularly for travelers with dual SIM capabilities.
Using a Vietnam eSIM typically provides a more cost-effective solution for mobile data compared to international roaming from your home provider. Roaming charges can be high and unpredictable, whereas an eSIM offers a fixed daily data allowance (like 5GB daily) at a predictable cost, giving you better control over your travel budget and reliable high-speed internet.
When selecting a Vietnam eSIM, look for robust daily data allowances (e.g., 5GB daily), reliable 5G/4G network access, and the inclusion of a local number for receiving calls and texts. Instant delivery and easy installation via QR code are also key convenience factors. These features ensure consistent connectivity and communication throughout your trip.
A typical Vietnam eSIM plan, like the Commbitz 5GB Daily Data Plan, provides a significant daily data allowance for high-speed internet access on 5G/4G networks. Crucially, it often includes a local number to receive calls and texts, which can be very useful for local contacts, bookings, or emergencies during your stay in Vietnam.
Activating a Vietnam eSIM is a straightforward process. After purchase, you typically receive an email with a QR code. Simply scan this QR code with your eSIM-compatible device, follow the on-screen prompts to add the cellular plan, and ensure your data roaming is enabled for the eSIM line. This usually takes just a few minutes and eliminates the need to visit a physical store.
Beyond reliable data connectivity, a Vietnam eSIM provides several advantages. It's an eco-friendly option as it produces no plastic waste. There's no physical card to lose or misplace, offering peace of mind. It allows you to keep your primary SIM active for calls from home while using the eSIM for local data, enhancing convenience and seamless communication.
Yes, certain Vietnam eSIM plans are designed to provide a local number specifically for receiving calls and texts. This feature is particularly beneficial for travelers who need to interact with local services, make reservations, or stay in touch with local contacts without relying solely on internet-based communication apps.
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