Set Up Guide For Androids
Last updated on August 8, 2025
Before using eSIM
To successfully use eSIM Korea Unlimited Data, a real-name registration is mandatory.
Make sure that you complete the registration before arriving in Korea.
Review the directions,
then click the button to start registration.
User Agreement
Please check the terms of use and agree to all.
Passport Information
Enter your passport information and upload photo of passport and click Check Customer Information
eSIM Information
Put the barcode number of the eSIM and click OK.
Find SIM card barcode number in the email with the QR code.
Start using your eSIM
Click Register at the bottom of the page. If you are already in Korea, you can immediately use data with eSIM.
How to install eSIM
These steps may differ depending on your device and language.
Important Notice
Make sure you have an eSIM compatible and network-unlocked device. | |
Be connected to a strong WiFi to activate an eSIM successfully. | |
Be noted that the validity begins once you install the eSIM. | |
Please do not remove the eSIM without consulting CS Team. |
01
Add eSIM from the device’s Settings.
Go to Settings
| ▸ | Select [Connections] |
| ▸ | Tap [SIM manager] |
02
Select [Add eSIM] to install the eSIM.
Select [Add eSIM]
| ▸ | Tap [Scan QR code] |
03
Install eSIM via QR code or manual installation and wait for completion.
Either scan the QR code or manually put your eSIM details. You can find your eSIM details in the email.
! Be connected to a strong WiFi to activate an eSIM successfully.
04
Label your eSIM.
After the successful installation, you can label it for more convenient management.
Go to Settings
| ▸ | Select [Connections] |
| ▸ | Tap [SIM manager] |
| ▸ | Choose the eSIM you just added Tap [Name] and Type on new label of your own, e.g. {Destination} – eSIM World. |
Installation Completed
The installation steps are done!
You are almost ready to use the data.
How to check if your eSIM is activated
You can confirm your eSIM is activated by checking these two things:
- Signal and network: If activated, your device will show 2 signal bars and the carrier name in the status bar.
- eSIM settings: In your device settings, you should see an active eSIM profile listed.
How to checkif your eSIM is activated
You can confirm your eSIM is activated by checking these two things:
- Signal and network: If activated, your device will show 2 signal bars and the carrier name in the status bar.
- eSIM settings: In your device settings, you should see an active eSIM profile listed.
How to Access Data
These steps may differ depending on your device and language.
01
Turn on the eSIM profile.
Go to Settings
| ▸ | Select [Connections] |
| ▸ | Tap [SIM manager] |
| ▸ | Toggle on your eSIM |
02
Select your eSIM profile on [Mobile data].
Go to Settings
| ▸ | Select [Connections] |
| ▸ | Tap [SIM manager] |
| ▸ | Tap [Mobile data] |
| ▸ | Select your eSIM profile |
How to select local phone number
If you have trouble using the local phone number, and cannot receive any calls or SMS, please follow the steps below.
Important! Please be aware that the provided Korean phone number (012) cannot be used for Identity Verification services.
Select your eSIM profile on [Calls] & [Messages].
Go to Settings
| ▸ | Select [Connections] |
| ▸ | Tap [SIM manager] |
| ▸ | Tap [Calls] Select your eSIM profile. |
| ▸ | Tap [Messages] Select your eSIM profile. |
