How to Set Up Vietnam eSIM easily on iPhone & Android. Fast activation guide with GoVnSIM.
Learn the steps now!

✅ Before Setup

  • Check Compatibility: Most devices from 2019+ support eSIM check what Divices supports eSIM?

  • Stable Internet: Required for activation.

  • eSIM Info: You’ll receive QR Code, SM-DP+ & Activation Code after purchase.

  • Troubleshooting: Try network reset or factory reset if needed.

📲 How to Install and Activate Your eSIM on iPhone

Ensure your phone is eSIM-ready and unlocked before installation.

🔹 Method 1:Scan QR Code (Fast & Easy)

  1. Go to Settings > Cellular > Add eSIM.

  2. Scan the QR code sent via email.

  3. Tap Add Cellular Plan.

  4. Turn on Data Roaming when you arrive.

🔹 Method 2: Manual Activation (If QR code fails)

  1. Settings > Cellular > Add eSIM > Enter Details Manually.

  2. Enter SM-DP+ address & Activation Code (from email).

  3. Turn on Data Roaming when you arrive.

ℹ Important Notes

  • Always turn on Data Roaming when you arrive to use your eSIM smoothly.

  • A full installation guide is sent to your email automatically after purchase.

✅ Quick Tip: Activate eSIM after Landing

  1. Settings > Cellular/Mobile Data.

  2. Select your eSIM profile.

  3. Turn on both This Line and Data Roaming.

 

  • 📲 How to Install & Activate eSIM on Samsung

    🔹 Method 1: Install via QR Code (Recommended)

    1. Go to Settings > Connections > SIM Card Manager.

    2. Tap Add mobile plan > Scan QR code.

    3. Scan the QR code from your email.

    4. Tap Add/Confirm to save your eSIM.

    5. Turn on Data Roaming when you arrive.

    🔹 Method 2: Manual Installation (If QR code fails)

    1. Go to Settings > Connections > SIM Card Manager.

    2. Tap Add eSIM > Add using activation code.

    3. Enter the Activation Code from your email.

    4. Tap Add/Confirm.

    5. Turn on Data Roaming when you arrive.

    ✅ After Arrival: Activate eSIM on Samsung

    1. Settings > Connections > SIM Card Manager.

    2. Turn on your eSIM and set it as Mobile data.

    3. Go to Connections > Mobile Networks and enable Data Roaming.

    ℹ Note: Menu names may vary by device model and software.
    Full guides will be sent via email after your purchase.

 

⌚ How to Install eSIM on Smartwatches

🔹 Apple Watch

  1. Check compatibility (Series 3 and later).

  2. Pair with your iPhone.

  3. Open Watch app on iPhone.

  4. Go to My Watch > Cellular > Set Up Cellular.

  5. Follow on-screen steps to activate with your carrier.

🔹 Samsung Galaxy Watch

  1. Check compatibility (Galaxy Watch, Watch Active2 and later).

  2. Pair with your Samsung phone.

  3. Open Galaxy Wearable app.

  4. Go to Mobile Plans and follow instructions to add eSIM.

👉 Frequently asked questions

In case you cannot connect to the internet, please adjust your phone APN (access point name) by:

  • Step 1: Go to Settings
  • Step 2: Tap Cellular or Mobile Data (depending on your device)
  • Step 3: Select your eSIM which has enabled Turn On This Line and Data Roaming
  • Step 4: Tap Cellular Data Network or Mobile Data Network (depending on your phone)
  • Step 5: Enter the value sent by your eSIM provider (i.e. ctm-mobile) on all APN fields (Cellular/Mobile data, and Personal Hotspot) or a different value if you use eSIM from another provider. The other fields are left blank.

This error can appear in some cases below:

  • QR code provided by the carrier is not clear/cut/hidden by object/blur/…
  • Error on the device’s camera that leads to unable scan the QR code.

Try the following actions:

  • Check your device’s camera. If it doesn’t work, try to install it manually.
  • If it still does not work, contact us for further assistance. 

This error often indicates that the QR code’s unique activation code has already been used. This indicates that the eSIM profile has already been added by you, another person, or both. You need to check whether your eSIM has been used or not.

Verify that the SIM has not already been added:

  • On your iPhone: Settings > Cellular > Cellular Plans.
  • On your Android device: Settings > Connections > SIM card manager.

You may also contact SIM Travel Vietnam via the information below for further support.

This issue most likely indicates that your phone is a CDMA device or has been locked by the original purchase carrier.

When buying a device, you should consider its network type and whether it is carrier-locked. Your device’s IMEI can be checked in the following website:
imeipro.info
imeicheck.com
imei.info

If you want to find out whether your device’s IMEI is locked, dial *#06# to get the 15-digit IMEI number, and check on the websites above.

You need to contact your carrier to unlock your phone. If not, you may need another device to use eSIM, because eSIM can only be activated on unlocked-carrier phones.

This error can appear in some cases below:

  • Too many eSIMs are installed on the device.
  • This eSIM profile has already been set up on your device or installed on another device.
  • You install eSIM with a poor internet connection (Wifi/ other cellular data).

Try the following actions:

  • Check your number of eSIM maximum. If you have used all of the eSIM storage, you can remove the previous eSIMs. Check out for further steps on how to remove an eSIM on iPhone, Samsung, Google Pixel.
  • Check whether your eSIM profile is already on your device or not. On iOS, go to Cellular Plans to check. On Android, go to the SIM Card Manager to check.
  • Check your internet connection and try to install the eSIM again.

You might need to erase your eSIM if:

  • You transferred the eSIM’s phone number to another iPhone.
  • You’re going to sell, exchange, or donate your device.

Don’t erase your eSIM as a troubleshooting step, contact eSIM Gigago if you need support when having problems with your eSIM.

If you erase your eSIM, you’ll need a new one. Then set up your new eSIM.

Now let’s check out how to remove an eSIM from your device:

  • Step 1: Go to Settings > Cellular.
  • Step 2: Select the plan you want to remove.
  • Step 3: Select Remove Cellular Plan. Then, confirm your selection.

It’s not difficult to do so:

  • Step 1: Go to Settings> General> About.
  • Step 2: Scroll down to view the “Carrier lock” section.
    It should say “NO SIM restrictions”, meaning the device is unlocked.
  • Step 3: Scroll down to view the “DIGITAL SIM” section. It should contain a “DIGITAL SIM” IMEI, meaning the device is eSIM compatible.

To confirm that your device supports eSIM, you will need to find its “eSIM IMEI” number by following the steps below:

  • Step 1: Samsung devices.
  • Step 2: Go to Settings > About phone > Status information.
  • Step 3: Tap on IMEI information.If the “IMEI (eSIM)” is available, it should mean that your device supports eSIM.

Other Android devices

  • Dial *#06# and press call
  • In case your device is eSIM capable, you should be able to view your device’s eSIM unique identification number (EID)
  • Restart Your Device: Sometimes a simple restart can resolve activation issues.
  • Check for Carrier Settings Update: Go to Settings > General > About. If there is an update available, you’ll be prompted to install it.
  • Contact Your Carrier: If you encounter issues, contact your carrier for further assistance.