HOWTO

eSIM?

eSIM stands for 'embedded SIM' and is a technology that allows you to use data like a SIM card, but unlike a traditional SIM card, it is built into the device instead of being a physical card.

Easy and convenient use with QR code scanning
No delivery needed,
use it instantly
anytime, anywhere
Keep your existing number for contact verification
Environmentally friendly
due to no plastic usage compared to traditional
SIM cards
No worries about replacement
or loss since there is
no physical item

10-second method to check

 if your device supports eSIM 

STEP 1.

*#06#_이미지  
Press *#06#
on the phone keypad
화살표  

STEP 2.

Device information
EID_이미지  
If EID is in the
device information,
eSIM can be used!

Smartphone

iPhone :
All models from 11 to 15 series, XS, XS Max, XR, SE (2020), SE (2022)
Galaxy (Korean release) :
Z FLIP 5, Z FOLD 5, Z FLIP 4, Z FOLD 4, S23 series, S24 series
  • iPad

    iPad (7th generation and later models),
    iPad mini (5th and 6th generation),
    iPad Air (3rd generation and later),
    iPad Pro 11 (1st generation and later),
    iPad Pro 12.9 (3rd generation and later models)

    * All China-released iPad models are not supported

  • Smartphones
    released overseas

      Samsung Galaxy:
    • Fold, Z Filp, G20 S20+, S20 Ultra 5G, S21, S21 5G, S21 Ultra 5G, S22, S22+, S22 Ultra, Note 20, Note 20 Ultra 5G, S23, S23+, S23 Ultra
      Rakuten Mobile:
    • Rakuten Mini, Big-S, Big, Hand, Hand 5G
      Oppo:
    • Find X3 Pro, Reno 5 A, Find X5, Find X5 Pro
      Sony Xperia:
    • 10 III Lite, 10 IV, 1 IV, 5 IV,
      Xiaomi:
    • 12T Pro, 13, 13 Lite, 13 Pro
      Sharp Aquos:
    • Sense6s, Wish
    • PIXEL 2~ PIXEL 4XL, Motorola Razr 2019, Gemini PDA, Magic 4 Pro, DOOGEE V30

    * Some models of Samsung (Galaxy) released overseas, eSIM, are available

    * For other devices, check the manufacturer's website

Q. What is EID?

EID (EMBEDED IDENTITY DOCUMENT) is the unique number of the E-SIM, and if the EID appears, it means that the device supports the E-SIM.

Q. What should I do if eSIM is not supported?

For unsupported devices, click the link below to purchase and use USIM on the USIM store website.

If you are an iPhone user?

  • Data-only plans

    V

    How to install
    a data-only eSIM

    WiFi  

    Wi-Fi or data connection

    A small amount of data usage is required during eSIM installation.
    Please add the eSIM when wifi is connected.
    Roaming_off  

    Turn off data roaming for the existing plan

    To avoid double billing, please turn off data roaming in the data settings of your existing plan.
    apple_logo  

    iPhone eSIM installation instructions

    배경

    1. Scan the QR code

    Settings > Cellular > Add eSIM
    (or Add cellular plan) > Use the QR code > Scan the QR code

    1설명img_1-1
    2설명img_1-2
    3설명img_1-3
    4설명img_1-4
    5설명img_1-5
    TIP!

    If you don't have a scanning device?

    If you don't have a device to scan the QR code, you can enter the details manually by pressing [Enter Details Manually] at step 2, and then entering the [SM-DP+ Address] and [Activation Code] from your voucher.
    (Copy and paste is possible for accurate entry.)
    배경

    2. eSIM registration

    When the eSIM activation screen appears, press the [Continue] button to register the eSIM.

    This process may take approximately 3 minutes Please do not switch screens or delete the eSIM during the process and complete it until the end.
    *If you delete the eSIM, it cannot be reinstalled or used.
    1설명img_2-1
    2설명img_2-2
    배경

    3. Data plan settings

    This is the step to set the plan name,
    data, and phone line. Please set it as shown in the image below.

    1설명img_3-1  
    *Plan label = plan name!
    To avoid confusion, please create a travel name for eSIM
    2설명img_3-2
    3설명img_3-3
    4설명img_3-4  
    [Allow cellular data switching] must be set to OFF to avoid additional charges.
    배경

    4. Confirmation of settings

    Cellular > After selecting the eSIM,
    turn on data roaming.

    *However, for [Local eSIM], roaming does not need to be turned on in that area.
    (Local eSIM is indicated by [Local] in the product name.)
    1설명img_4-1
    2설명img_4-2

    Finally, please check that steps 1-4 are set as follows.

    * Step 1: When the eSIM is properly connected to the network, it appears as two signal bars.
    3설명img_4-3
    하단_로고  

    ESIMPLAY
    Customer Service Center

    Mail: cs@esimplay.com

    (Mon-Fri 09:00~18:00, Lunch 12:00~13:00)
  • Data + call/text plans

    V

    eSIM installation guide

    WiFi  

    Wi-Fi or data connection

    A small amount of data usage is required during eSIM installation.
    Please add the eSIM when wifi is connected.
    Roaming_off  

    Turn off data roaming for the existing plan

    To avoid double billing, please turn off data roaming in the data settings of your existing plan.

    Data + Voice eSIM Information

    1. How to check your phone number

    Settings > Cellular > Select eSIM > Choose My phone number

    추가설명_1-1  Select eSIM
    추가설명_2-1

    2. How to check your phone line during a call

    추가설명_2-1  

    Check and change the line at the top of the phone (dial) screen

    3. Precautions for local calls

    • If you receive a call with your existing number in the local area, roaming charges may apply, so we recommend using internet calls such as KakaoTalk after checking.
    • When making local calls, make sure that the default line is set to eSIM.
    apple_logo  

    iPhone eSIM installation instructions

    배경

    1. Scan the QR code

    Settings > Cellular > Add eSIM
    (or Add cellular plan) > Use the QR code > Scan the QR code

    1설명img_1-1
    2설명img_1-2
    3설명img_1-3
    4설명img_1-4
    5설명img_1-5
    TIP!

    If you don't have a scanning device?

    If you don't have a device to scan the QR code, you can enter the details manually by pressing [Enter Details Manually] at step 2, and then entering the [SM-DP+ Address] and [Activation Code] from your voucher.
    (Copy and paste is possible for accurate entry.)
    배경

    2. eSIM registration

    When the eSIM activation screen appears, press the [Continue] button to register the eSIM.

    This process may take approximately 3 minutes Please do not switch screens or delete the eSIM during the process and complete it until the end.
    *If you delete the eSIM, it cannot be reinstalled or used.
    1설명img_2-1
    2설명img_2-2
    배경

    3. Data plan settings

    This is the step to set the plan name,
    data, and phone line. Please set it as shown in the image below.

    1설명img_3-1  
    *Plan label = plan name!
    To avoid confusion, please create a travel name for eSIM
    2설명img_3-2  
    *If you have a voice-enabled eSIM, be sure to set the default line to the corresponding eSIM before using the call function!
    3설명img_3-3  
    4설명img_3-4  
    [Allow cellular data switching] must be set to OFF to avoid additional charges.
    배경

    4. Confirmation of settings

    Cellular > After selecting the eSIM,
    turn on data roaming.

    *However, for [Local eSIM], roaming does not need to be turned on in that area.
    (Local eSIM is indicated by [Local] in the product name.)
    1설명img_4-1
    2설명img_4-2

    Finally, please check that steps 1-4 are set as follows.

    * Step 1: When the eSIM is properly connected to the network, it appears as two signal bars.
    3설명img_4-3
    하단_로고  

    ESIMPLAY
    Customer Service Center

    Mail: cs@esimplay.com

    (Mon-Fri 09:00~18:00, Lunch 12:00~13:00)

If you are an Android user?

  • Data-only plans

    V

    How to install
    a data-only eSIM

    WiFi  

    Wi-Fi or data connection

    A small amount of data usage is required during eSIM installation.
    Please add the eSIM when wifi is connected.
    Roaming_off  

    Turn off data roaming for the existing plan

    To avoid double billing, please turn off data roaming in the data settings of your existing plan.
    android_logo  

    android eSIM installation instructions

    배경

    1. Scan the QR code

    Settings > Connect > SIM card manager
    > Add mobile plan > Scan carrier QR code
    > Gallery > Select eSIM voucher

    *Capture or save the voucher QR code received by email in the gallery and proceed.
    1설명img_1-1
    2설명img_1-2
    3설명img_1-3
    4설명img_1-4
    5설명img_1-5
    Select [carrier QR code] and then select the QR code voucher saved by pressing the gallery icon, and then press Complete.
    배경

    2. Add mobile plan

    If [Add mobile plan to your phone] appears, press the [Confirm] button.
    * During the process of adding a rate plan, please be careful not to switch to another screen or delete it, as the rate plan may [not be registered properly].

    *If you delete the eSIM, it cannot be reinstalled or used.

    1설명img_2-1
    2설명img_2-2
    배경

    3. Data plan settings

    Select [Mobile data] to specify the eSIM rate plan to use.

    • *If you are installing an eSIM in Korea, set the mobile data to the existing rate plan (SIM 1) and [be sure to switch to the corresponding eSIM after arriving overseas and using it].
    1설명img_3-1
    2설명img_3-2
    배경

    4. Confirmation of settings

    Go back > Connect > Change [data roaming] to ON when roaming overseas.

    *However, for [Local eSIM], roaming does not need to be turned on in that area. (Local eSIM is indicated by [Local] in the product name.)
    1설명img_4-1
    2설명img_4-2
    3설명img_4-3

    Finally,
    check that two signal bars are connected to the top of the communication antenna(signal) as shown.

    하단_로고  

    ESIMPLAY
    Customer Service Center

    Mail: cs@esimplay.com

    (Mon-Fri 09:00~18:00, Lunch 12:00~13:00)
  • Data + call/text plans

    V

    eSIM installation guide

    WiFi  

    Wi-Fi or data connection

    A small amount of data usage is required during eSIM installation.
    Please add the eSIM when wifi is connected.
    Roaming_off  

    Turn off data roaming for the existing plan

    To avoid double billing, please turn off data roaming in the data settings of your existing plan.

    Data + Voice eSIM Information

    1. How to check your phone number

    Settings > Mobile Phone Information > Phone number

    추가설명_1-1  
    추가설명_2-1  eSIM phone number

    2. How to check your phone line during a call

    추가설명_2-1  

    - You can check and change the line at the bottom of the phone (dial) screen

    3. Precautions for local calls

    • If you receive a call with your existing number in the local area, roaming charges may apply, so we recommend using internet calls such as KakaoTalk after checking.
    • When making local calls, make sure that the default line is set to eSIM.
    android_logo  

    android eSIM installation instructions

    배경

    1. Scan the QR code

    Settings > Connect > SIM card manager
    > Add mobile plan > Scan carrier QR code
    > Gallery > Select eSIM voucher

    *Capture or save the voucher QR code received by email
    in the gallery and proceed.
    1설명img_1-1
    2설명img_1-2
    3설명img_1-3
    4설명img_1-4
    5설명img_1-5
    Select [carrier QR code] and then select the QR code voucher saved by pressing the gallery icon, and then press Complete.
    배경

    2. Add mobile plan

    If [Add mobile plan to your phone] appears, press the [Confirm] button.
    * During the process of adding a rate plan, please be careful not to switch to another screen or delete it, as the rate plan may [not be registered properly].

    *If you delete the eSIM, it cannot be reinstalled or used.

    1설명img_2-1
    2설명img_2-2
    배경

    3. Data plan settings

    Select [Call/Message/Mobile Data] and set it as your eSIM plan to use.

    • *If you are installing an eSIM in Korea, set the mobile data to the existing rate plan (SIM 1) and [be sure to switch to the corresponding eSIM after arriving overseas and using it].
    1설명img_3-1
    2설명img_3-2
    배경

    4. Confirmation of settings

    Go back > Connect > Change [data roaming] to ON when roaming overseas.

    *However, for [Local eSIM], roaming does not need to be turned on in that area. (Local eSIM is indicated by [Local] in the product name.)
    1설명img_4-1
    2설명img_4-2
    3설명img_4-3

    Finally,
    check that two signal bars are connected to the top of the communication antenna(signal) as shown.

    하단_로고  

    ESIMPLAY
    Customer Service Center

    Mail: cs@esimplay.com

    (Mon-Fri 09:00~18:00, Lunch 12:00~13:00)

Settings when not working

1. Please double-check that your settings match the installation guide.

2. Follow the steps below for [Settings when not working].

3. If it still doesn't work, please contact please contact us at [cs@esimplay.com].

When the installation is taking a long time and the loading continues, please restart your device!

This issue occurs when eSIM is pre-installed in Korea or when there is a weak network signal. Rebooting the device should resolve the problem, and once confirmed, please turn on eSIM for local usage.

Settings when not working

  • Set LTE priority mode

    Most countries have a low 5G network coverage rate, making it difficult to access 5G mobile communication services. If you use a 5G smartphone, try setting the network mode to LTE priority. This will enable faster network connections more easily.

    LTE1  Please select [Cellular] in [Settings].
    LTE2  Please select the eSIM you want to use.
    LTE3  Please select [Voice and Data].
    LTE4  Please select LTE.
  • Manual network settings

    When you activate eSIM, most smartphones will automatically connect to the carrier's network, but there may be instances where the connection doesn't happen immediately depending on your surroundings. In such cases, you can check the list of carrier networks available at your current location and manually select the eSIM carrier to establish the connection.
    If you are unsure about the carrier or unable to connect to the manually selected carrier network, try selecting each carrier listed in the network options one by one.

    netSet1  Please select [Cellular] in [Settings].
    netSet2  After selecting the eSIM you want to use, press [Network Selection].
    netSet3  Turn off the automatic network selection feature.
    netSet4  Wait a moment for [Purchased Carrier] to appear in the list.
    Select it and reboot the device.
  • Reset network settings

    Depending on the smartphone's condition, network settings and connections may not function properly. In such situations, you can resolve the issue by resetting network settings. Please be cautious as this process will delete network-related information, such as Wi-Fi passwords, stored on your smartphone. Make sure to record important information in advance.

    netReset1  Select [General] in [Settings].
    netReset2  Choose [Transfer or Reset iPhone] located at the bottom.
    netReset3  Select [Reset].
    netReset4  Choose [Reset Network Settings], and then reboot the device.
  • APN settings

    APN(Access Point Name) is the information required to access the carrier network for data usage. Normally, when eSIM is activated, the APN is automatically configured. However, depending on the type of smartphone or eSIM, it may not be set automatically. If the APN is not automatically configured, you can manually set it using the information provided in the voucher (notification message, email).
    * Please note that APN information is case-sensitive, so make sure to enter it exactly as written in the voucher.

    APN1-1  Please select [Cellular] in [Settings].
    APN1-2  Please select the eSIM you want to use.
    APN1-3  Select [Cellular Data Network].
    APN1-4  Enter the APN and Username precisely as stated in the notification message.
  • Set LTE priority mode

    Most countries have a low 5G network coverage rate, making it difficult to access 5G mobile communication services. If you use a 5G smartphone, try setting the network mode to LTE priority. This will enable faster network connections more easily.

    LTE1  Please choose [Connections] in [Settings].
    LTE2  Please select [Mobile Networks].
    LTE3  Please select [Data Network Mode].
    LTE4  Please choose LTE Priority.
  • Manual network settings

    When you activate eSIM, most smartphones will automatically connect to the carrier's network, but there may be instances where the connection doesn't happen immediately depending on your surroundings. In such cases, you can check the list of carrier networks available at your current location and manually select the eSIM carrier to establish the connection.
    If you are unsure about the carrier or unable to connect to the manually selected carrier network, try selecting each carrier listed in the network options one by one.

    netSet1  Please choose [Connections] in [Settings].
    netSet2  Choose [International Roaming] at the bottom.
    netSet3  Press [Roaming Network Selection].
    netSet4  Turn off the automatic network selection feature.
    netSet5  Wait a moment for Purchased Carrier to appear in the list.
    Select it and reboot the device.
  • Reset network settings

    Depending on the smartphone's condition, network settings and connections may not function properly. In such situations, you can resolve the issue by resetting network settings. Please be cautious as this process will delete network-related information, such as Wi-Fi passwords, stored on your smartphone. Make sure to record important information in advance.

    netReset1  In [Settings], select [General] at the bottom.
    netReset2  Choose [Reset] at the very bottom.
    netReset3  Select [Reset Network Settings].
    netReset4  Press the Reset Settings[] button.
    netReset5  Enter the password set on the phone to proceed with the reset and reboot the device.
  • APN settings

    APN(Access Point Name) is the information required to access the carrier network for data usage. Normally, when eSIM is activated, the APN is automatically configured. However, depending on the type of smartphone or eSIM, it may not be set automatically. If the APN is not automatically configured, you can manually set it using the information provided in the voucher (notification message, email).
    * Please note that APN information is case-sensitive, so make sure to enter it exactly as written in the voucher.

    APN1  Please choose [Connections] in [Settings].
    APN2  Please select [Mobile Networks].
    APN3  Press the Add button.
    APN4  Manually enter APN and Username to set it up.
    APN5  Ensure you have accurately filled in the information from the notification message, then press Confirm.
    APN6  Select the newly created APN and reboot the device.

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