eSIM FAQ

Check Frequently Asked Questions about Korea eSIM

Before Order

Which phones support the eSIM service?

Compatible Devices for eSIM Korea Data Plans

Apple
✓ iPhone 16, 16 Plus, 16 Pro, 16 Pro Max
✓ iPhone 15, 15 Plus, 15 Pro, 15 Pro Max
✓ iPhone 14, 14 Plus, 14 Pro, 14 Pro Max
✓ iPhone SE3 (2022)
✓ iPhone 13, 13 Pro, 13 Pro Max, 13 Mini
✓ iPhone 12, 12 Pro, 12 Pro Max, 12 Mini
✓ iPhone 11, 11 Pro, 11 Pro Max
✓ iPhone SE2 (2020)
✓ iPhone XR, iPhone XS, XS Max
✓ (Recommended iOS version: iOS 13.3 or later)

Samsung
✓ Samsung Galaxy S24 5G, S24 Ultra 5G, S24+ 5G
✓ Samsung Galaxy S23 5G, S23 Ultra 5G, S23+ 5G
✓ Samsung Galaxy S22 5G, S22 Ultra 5G, S22+ 5G
✓ Samsung Galaxy S21 5G, S21 Ultra 5G, S21+ 5G
✓ Samsung Galaxy S20, S20+, S20 Ultra 5G
✓ Samsung Galaxy Note 20, Note 20+, Note 20 Ultra
✓ Samsung Galaxy Note 20 FE, Note 20 FE 5G, Note 20 Ultra, Note 20 Ultra 5G
✓ Samsung Galaxy Fold, Z Fold 2, Z Fold 3, Z Fold 4, Z Fold 5, Z Fold 6
✓ Samsung Galaxy Z Flip, Z Flip 3 5G, Z Flip 4, Z Flip 5, Z Flip 6
✓ Samsung Galaxy A55 5G

✱ If your device is not listed above, please contact us.

Which devices are not compatible with eSIM?

If you have the following devices, you cannot use eSIM:

Apple models that don’t support eSIM
✓ Carrier-locked iPhones
✓ iPhones purchased from Mainland China, Hong Kong, or Macao (Note: Hong Kong and Macao versions that support eSIM include iPhone XS, iPhone SE (2nd and 3rd generation only), iPhone 12 mini, and iPhone 13 mini)
✓ iPhone 6
✓ iPhone 7 series
✓ iPhone 8 series
✓ iPhone X
✓ iPhone SE (1st Generation)

Samsung models that don’t support eSIM
✓ Carrier-locked Samsung devices
✓ All Samsung S20 FE and S21 FE models (Note: Other S20 and S21 models may support eSIM)
✓ USA versions of Samsung S20/S21 and Galaxy Z Flip 5G
✓ USA and Hong Kong versions of Samsung Note 20 Ultra and Galaxy Z Fold 2
✓ South Korean versions of most Samsung devices (Note: Samsung Galaxy Z Flip 4 and Galaxy Z Fold 4 purchased in South Korea support eSIM)
✓ Canada and USA versions of Samsung S21 series devices (except FE models) may support eSIM if the One UI 4 update is installed
✓ Samsung Galaxy Note 9, Note 10, Note 10+ or Note Lite
✓ Samsung Galaxy S10, S10e, S10 Lite or S10+
✓ Samsung S9 or S9+
✓ Samsung S8 or S8+
✓ Samsung S7
✓ Samsung A series (A20, A21, A22, A23, A30, A52)

Other devices that don’t support eSIM
◦ Any carrier-locked device
◦ Huawei P30 series
◦ Huawei Mate series (e.g., Mate 10, Mate 20 Pro)
◦ Xiaomi Redmi Note series (e.g., 9 Pro, 9T)
◦ Xiaomi devices (e.g., Poco F3, 12T)
◦ Oppo devices
◦ Surface Duo devices
◦ One Plus Nord
◦ Sony Xperia
◦ Asus ROG

How do I check if my device supports eSIM?

To determine if your device supports eSIM, you can check for the Secondary “IMEI” number or verify the option to add eSIM by following these steps:

Apple
01. Go to [Settings]
02. Tap [General] > [About]
03. Scroll down to view the device’s Serial Number and IMEI for your primary and secondary SIM cards.
04. If you see two IMEI numbers, your device supports eSIM

Samsung
01. Go to [Settings] > [SIM Manager]
02. If [Add eSIM] is available, your device likely supports eSIM

Other Android
01. Dial *#06# and press call
02. If you see IMEI2 and EID, your device likely supports eSIM

When should I buy the eSIM?

You can purchase the eSIM at any time, as it remains valid for 60 days from the date of purchase.
We recommend purchasing and activating the eSIM before your trip to ensure a smooth setup.

Can I use a hotspot or tethering with my eSIM?

Yes, you can use hotspots and tethering to share data with eSIM. However, be aware that data speeds may be slower when sharing with a laptop compared to mobile devices, as the eSIM is optimized for mobile use. For the best performance, use the eSIM to share data with other mobile devices.

What currency is the price based on?

All transactions are processed in USD (United States Dollars).

After Order

What should I do, when I didn’t receive a QR code email?

Our QR code is usually sent to the email address you provided within 15 minutes of placing your order. If you haven’t received it, please check the following:

01. Spam/Junk Folder: Sometimes the email might be redirected there.
02. Email Address: Ensure there were no typos in the email address you provided. If you suspect an error, contact us at [email protected] so we can resend the QR code.
03. Payment Delay: If there is a delay in payment completion, the QR code might be delayed as well. Payments through iDEAL or other methods may take additional time to process.
04. Pending Payment: If you used PayPal or a credit/debit card, your payment might be pending due to PayPal’s security checks. This can take up to 72 hours. For issues with PayPal, please contact their customer service.

If you continue to experience issues, please reach out to us at [email protected].

How do I activate my eSIM plan on my phone?

We will send you a confirmation email with a QR code after your purchase is completed.
There are 2 ways to add an eSIM to your device (please note that these steps may differ depending on your device & language)
To activate the plan, you need to be connected in the strong WiFi signal and not in airplane mode.

Apple

A. Quick installation for iOS 17.4 or newer
01. Open the QR voucher we sent via email
02. Click the link located below the sentence “iOS 17.4 or newer?”

B. Activate by Scanning the QR Code
01. Go to [Settings] > [Cellular/Mobile Service] > [Add eSIM]
02. Scan the QR code you received via email
03. Your eSIM plan will be activated automatically once the details are set

C. Activate by Entering Manual Information
01. Go to [Settings] > [Cellular/Mobile Service] > [Add eSIM]
02. Tap [Use QR code]
03. Click [Enter Details Manually]
04. Enter the ‘SM-DP+ Address’ and ‘Activation Code’ provided in the email.
(Please make sure you don’t paste with https:// or http://)
05. Your eSIM plan will be activated automatically once the details are set

Samsung

A. Activate by Scanning the QR Code
01. Go to [Settings] > [SIM Manager] > [Add eSIM]
02. Tap [Scan QR code]
03. Scan the QR code you received via email
04. Your eSIM plan will be activated automatically once the details are set

B.Activate by Entering Manual Information
01. Go to [Settings] > [SIM Card Manager] > [Add eSIM]
02. Tap [Scan QR code] > [Enter activation code]
03. Click [Enter Details Manually]
04. Enter the ‘Activation Code’ provided in the email.
(Please make sure you don’t paste with https:// or http://)
05. Click “Add”
06. Your device will automatically start the activation process. Follow the on-screen instructions to complete the installation

How can I avoid accidental international roaming charges?

To avoid accidental international roaming charges through your primary line, follow these steps to disable automatic data switching:

Apple

01. Go to [Settings] > [Cellular/Mobile Service]
02. Tap [Cellular Data/Mobile Data]
03. Toggle off [Allow Cellular Data Switching]

Samsung

01. Go to [Settings] > [Connections] > [SIM manager]
02. Toggle off [Data switching]

You can also contact your domestic carrier and ask about subscribing to a ”Blocked charged international roaming” service to prevent any accidental charges.

Can I get a refund after using eSIM?

Unfortunately, we cannot process a refund once the eSIM has been installed and data has been used, as it is a digital product that cannot be restored or resold. If you encounter any issues with your eSIM, please contact us at [email protected], and we will assist you further.

How do I know whether I am using a new eSIM or my original SIM?

To determine whether you’re using your new eSIM or your original SIM, check which is selected for Mobile data.
Please follow the instructions below.

Apple

01. Go to [Settings] > [Cellular/Mobile Service]
02. Select our eSIM for [Cellular data/Mobile data]

Samsung

01. Go to [Settings] > [Connections] > [SIM manager]
02. Select our eSIM for [Mobile data]

To ensure you’re using the new eSIM, turn off your primary SIM and enable only the eSIM.

How can I check the balance or remaining data?

To determine exact data usage, please contact us at [email protected] for specific details related to your plan.
You can also check your approximate data usage directly on your device. Here’s how:

Apple

01. Go to [Settings] > [Cellular/Mobile Service]
02. Check the data used under “Current Period Roaming”
03. Alternatively, visit the Apple support page here or dial 1019# to view your data usage

Samsung

01. Go to [Settings] > [Connections]
02. Tap [Data usage]
03. View your total data usage displayed on the screen

Can I scan the same QR code with multiple phones?

Unfortunately, no. Each eSIM can only be downloaded and activated on a single device. To use the eSIM on multiple devices, you will need to purchase separate eSIMs for each one.

How can I disable the eSIM plan while it is in use?

You can temporarily disable your eSIM plan instead of removing it. This allows you to re-enable and use it later. Please note, however, that once activated, the eSIM’s validity period continues to run, even if the plan is disabled.
Follow the instructions below to disable your eSIM.

Apple

01. Go to [Settings] > [Cellular/Mobile Service]
02. Select our eSIM under the SIMs section
03. Toggle off [Turn On This Line]

Samsung

01. Go to [Settings] > [Connections] > [SIM manager]
02. Toggle off your eSIM under eSIMs section

How do I set APN?

Setting up your Access Point Name (APN) is essential for your device to connect to the internet and use data services effectively.
To find the APN information, click on ‘Instructions to Use Data’ at the bottom of the QR voucher email.
Here’s a guide on how to configure APN settings:

Apple

01. Go to [Settings] > [Cellular/Mobile Service]
02. Select our eSIM under the SIMs section
03. Click [Cellular Data Network]
04. Type the APN information in the APN field
05. Restart the device

Samsung

01. Go to [Settings] > [Connections] > [SIM manager]
02. Click [Access Point Names]
03. Make sure you choose our eSIM and click “+” to add APN
04. Type the APN information and save
05. Select the APN you just created
06. Restart the device

Please contact us via [email protected] for further assistance.

How do I delete the eSIM?

We recommend not removing the eSIM plan while it’s in use or immediately after use.
If you still need to remove the eSIM, follow these steps:

Apple

01. Go to [Settings] > [Cellular/Mobile Service]
02. Select our eSIM under the SIMs section
03. Scroll down to tap [Delete eSIM]

Samsung

01. Go to [Settings] > [Connections] > [SIM manager]
02. Select our eSIM
03. Tap [Remove]

Troubleshooting

What can I do if my data speed is too slow?

Network speed depends on coverage, congestion, and the local carrier’s prioritization.
If you experience slow speeds, try the following troubleshooting steps:

Apple

A. Perform Manual Network Selection
01. Go to [Settings] > [Cellular/Mobile Service]
02. Select our eSIM under the SIMs section
03. Choose [Network selection]
04. Toggle off ‘Automatic’
05. Select the name of the telecom provider for your current country from the list of available networks.

B. Reset the network connection
01. Turn on Airplane mode for 15 seconds
02. Turn off Airplane mode

C. Set the device to 3G temporarily
01. Go to [Settings] > [Connections] > [Mobile networks]
02. Tap [Network mode] and select 3G temporarily

Samsung

A. Perform Manual Network Selection
01. Go to [Settings] > [Connections] > [Mobile networks]
02. Choose [Select roaming network/Network operators]
03. Toggle off ‘Select automatically’
04. Select the name of the telecom provider for your current country from the list of available networks

B. Reset the network connection
01. Turn on Airplane mode for 15 seconds
02. Turn off Airplane mode

C. Set the device to 3G temporarily
01. Go to [Settings] > [Connections] > [Mobile networks]
02. Tap [Network mode]
03. Select 3G temporarily

Please contact us via [email protected] for further assistance.

What should I do, when I see the “Activating” status while installing an eSIM before arriving at the destination?

If your eSIM shows an “Activating” status before you arrive at your destination, it will automatically set up once you reach your destination.
To ensure you can use your data successfully upon arrival, please follow these steps and avoid removing the plan, as it cannot be reissued or reinstalled after deletion:

A. Enable “Data Roaming” for the eSIM

B. Reset the Network Connection & Restart Your Device
01. Turn on Airplane mode for 15 seconds, then turn it off to reset the network connection.
02. Restart your device.

Please note that the eSIM plan’s validity might begin as soon as you scan and install the QR code, depending on your plan, despite this issue.
For further assistance, contact us at [email protected].

Error : Unable to Activate eSIM. You can try again, or contact your carrier for assistance.

If you see the message “Unable to Activate eSIM. You can try again, or contact your carrier for assistance.,” it typically means that the connection to download the eSIM plan was disrupted.
To resolve this issue, ensure your device has a stable and unrestricted internet connection when attempting to download the eSIM profile from the LPA server. Try adding the eSIM plan manually while connected to a reliable internet network.
While the most recommended installation method is scanning the QR code, if you encounter issues with scanning, you can enter the details manually.

Apple
01. Go to [Settings] > [Cellular/Mobile Service] > [Add eSIM]
02. Tap [Use QR code]
03. Click [Enter Details Manually]
04. Enter the ‘SM-DP+ Address’ and ‘Activation Code’ provided in the email.
(Please make sure you don’t paste with https:// or http://)
05. Your eSIM plan will be activated automatically once the details are set

Samsung
01. Go to [Settings] > [SIM Card Manager] > [Add eSIM]
02. Tap [Scan QR code] > [Enter activation code]
03. Enter the ‘Activation Code’ provided in the email.
(Please make sure you don’t paste with https:// or http://)
04. Click “Add”
05. Your device will automatically start the activation process. Follow the on-screen instructions to complete the installation

Please let us know via [email protected] if you need further assistance.

Error : eSIM Cannot Be Added. This code is no longer valid. Contact your network provider for more information.

If you encounter the message “eSIM Cannot Be Added. This code is no longer valid. Contact your network provider for more information.”, it indicates that the eSIM plan you are trying to add has either been previously activated or that there was an issue scanning the QR code due to a poor connection.

To resolve this issue, please check the following:
01. Ensure that the eSIM is not already added to your device.
02. Verify that you have a stable network or WiFi connection.
03. Check if your device has reached the maximum number of eSIM profiles it can support.

For the best results, we recommend scanning the QR code. If scanning issues persist, you may manually enter the eSIM details.

Apple
01. Go to [Settings] > [Cellular/Mobile Service] > [Add eSIM]
02. Tap [Use QR code]
03. Click [Enter Details Manually]
04. Enter the ‘SM-DP+ Address’ and ‘Activation Code’ provided in the email.
(Please make sure you don’t paste with https:// or http://)
05. Your eSIM plan will be activated automatically once the details are set

Samsung
01. Go to [Settings] > [SIM Card Manager] > [Add eSIM]
02. Tap [Scan QR code] > [Enter activation code]
03. Enter the ‘Activation Code’ provided in the email.
(Please make sure you don’t paste with https:// or http://)
04. Click “Add”
05. Your device will automatically start the activation process. Follow the on-screen instructions to complete the installation

Please let us know via [email protected] if you need further assistance.

Error : eSIM Not Supported. This eSIM is not compatible with this iPhone. Contact your carrier for more information.

If you see the message “eSIM Not Supported. This eSIM is not compatible with this iPhone. Contact your carrier for more information.”, it usually indicates that your phone might be carrier-locked.
To resolve this, contact the carrier that supplied your phone and request an unlock.
For instructions on checking if your device is unlocked, please follow these steps:

Apple
01. Go to [Settings] > [General] > [About] and scroll down
02. If you see “Carrier Lock – No SIM restrictions” and “eSIM – IMEI (number will appear),” your phone is compatible with eSIM
03. If you can’t find these, your phone doesn’t support eSIM

Samsung
01. Go to [Settings] > [Connections] > [Mobile networks]
02. Choose [Select roaming network/Network operators]
03. Toggle off ‘Select automatically’
◦ If multiple networks appear, the phone is likely unlocked.
◦ If only one network appears, or if the Search Networks option is unavailable, the phone is most likely locked to the carrier.

Please let us know via [email protected] if you need further assistance.

Error : The eSIM card cannot be activated right now please try again later.

If you see the message “The eSIM card cannot be activated right now please try again later.”, it indicates that the QR code was partially scanned due to poor connection. So try adding the eSIM plan manually while connected to a good network connection.

The most recommended installation method is scanning the QR code. However, if you experience issues scanning the QR code, you may enter details manually.

Apple
01. Go to [Settings] > [Cellular/Mobile Service] > [Add eSIM]
02. Tap [Use QR code]
03. Click [Enter Details Manually]
04. Enter the ‘SM-DP+ Address’ and ‘Activation Code’ provided in the email.
(Please make sure you don’t paste with https:// or http://)
05. Your eSIM plan will be activated automatically once the details are set

Samsung
01. Go to [Settings] > [SIM Card Manager] > [Add eSIM]
02. Tap [Scan QR code] > [Enter activation code]
03. Enter the ‘Activation Code’ provided in the email.
(Please make sure you don’t paste with https:// or http://)
04. Click “Add”
05. Your device will automatically start the activation process. Follow the on-screen instructions to complete the installation

Please let us know via [email protected] if you need further assistance.

Error: Invalid Activation Code. The activation code you are attempting to use is not valid. Contact your network provider for more information.

If you see the message “Invalid Activation Code. The activation code you are attempting to use is not valid. Contact your network provider for more information,” it indicates that the QR code is not valid. Please contact us via [email protected] if you need further assistance.

eSIM FAQ

Check Frequently Asked Questions about Korea eSIM

Popular Questions

Before Order

After Order

Troubleshooting

Can’t find what you’re looking for?

To ask for Korea eSIM Support, contact the Pocket Wifi Korea Team anytime.