SK Telecom

SIM Service Guidance

Keep using your phone with SIM card! Just use them, no need to return them.

SIM(Data)

What is SIM(Data)?

SIM(Data) is a service to get unlimited access to LTE data for a desired period of
1 day/2 days/3 days/4 days/5 days/6 days/7 days/8 days/9 days/10 days/15 days/
20 days/30 days/60 days/90 days. (continue to use at a maximum speed of 100Mbps)
You can use SIM(Data) card exchange simply with your own mobile phone without having to return.

Service steps

Step.1

Online purchase
Step.2

Visit the airport roaming center
Step.3

Use in Korea

It can be purchased on the official website or at the airport roaming center.
Mobile data is available regardless of the passport information verification status, however incoming/outgoing calls and text messages are only available after the passport information has been verified.
All SIM products can be purchased (up to five products per person) via the official SK Telecom website or the roaming center at the airport.

Purchase a prepaid SIM Details on roaming center

SIM (Data) - Why choose SK Telecom?

Recommendation

Want unlimited mobile data, and some extra discounts and perks?

Unlimited use of data during the period of use.
You can receive international and domestic text messages for free.

(However, the existing number will be changed to the SIM number.)
m-VoIP (Voice Talk, Face Time, etc.) service is available within the amount of data.
Enjoy free and discounted offers at SK Telecom partner shopping malls, amusement parks, and more using your transportation card and Royal Palace Pass!

Pricing and Benefits

With the purchase of a 3 days or more, we provide a transportation card and an admission ticket to experience the cultural heritage sites of Korea.

Service Period	Price	Standard Benefits	Exclusive Benefits from SK Telecom
1days(24hours)	6,500KRW	1. Unlimited mobile data 2. Free incoming calls and texts within Korea 3. M-VoIP supported Voice Talk (KakaoTalk), Facetime, etc.	- - Benefit 1 Free transportation card 3,000KRW 0KRW Benefit 2 Free Royal Palace Pass 10,000KRW 0KRW
2days(48hours)	12,000KRW
3days(72hours)	18,000KRW
4days(96hours)	23,000KRW
5days(120hours)	27,500KRW
6days(144hours)	31,900KRW
7days(168hours)	35,000KRW
8days(192hours)	36,300KRW
9days(216hours)	37,400KRW
10days(240hours)	38,500KRW
15days(360hours)	55,000KRW
20days(480hours)	60,400KRW
30days(720hours)	71,500KRW
60days(1,440hours)	107,000KRW
90days(2,160hours)	143,000KRW

Service Period Price	Standard Benefits	Exclusive Benefits from SK Telecom
1days(24hours) 6,500KRW	1. Unlimited mobile data 2. Free incoming calls and texts within Korea 3. M-VoIP supported Voice Talk (KakaoTalk), Facetime, etc.	- - Benefit 1 Free transportation card 3,000KRW 0KRW Benefit 2 Free Royal Palace Pass 10,000KRW 0KRW Free Royal Palace Pass for purchases from Feb 10, 2026 onward.
2days(48hours) 12,000KRW
3days(72hours) 18,000KRW
4days(96hours) 23,000KRW
5days(120hours) 27,500KRW
6days(144hours) 31,900KRW
7days(168hours) 35,000KRW
8days(192hours) 36,300KRW
9days(216hours) 37,400KRW
10days(240hours) 38,500KRW
15days(360hours) 55,000KRW
20days(480hours) 60,400KRW
30days(720hours) 71,500KRW
60days(1,440hours) 107,000KRW
90days(2,160hours) 143,000KRW

How to Use the Royal Palace Pass

Step.1

Purchase

Step.1

Purchase
Step.2

Verify purchase and
check your ticket code

Step.2

Verify purchase and
check your ticket code
Step.3

Download and log
in to the DSP App

Step.3

Download and log
in to the DSP App
Step.4

Register the ticket code
in the DSP App

Step.4

Register the ticket code
in the DSP App
Step.5

Visit heritage sites

Step.5

Visit heritage sites

No discounts or partial refunds will be provided regardless of whether the Heritage benefits are used (transportation card and attraction tickets).
The Royal Palace Pass cannot be used for entry with the ticket code alone and must be used according to the designated procedures.
For dual nationals (holding both Republic of Korea and foreign citizenship), data services are available, but voice/SMS services are restricted.
The Royal Palace Pass grants free admission to 12 beautiful palaces, including Gyeongbokgung Palace, Deoksugung Palace, Changdeokgung Palace, Changgyeonggung Palace, Jongmyo Shrine, and the Joseon Royal Tombs.
The pass allows one-time entry to each site within 12 days from first use.
The registration and usage period for the Royal Palace Pass is valid until December 31, 2026. Any unused portion will automatically expire.

DSP App Store Download DSP Google Play Download

Considerations

Once the case is opened, you cannot request a refund. (Refunds cannot be processed after 30 days from the date of purchase due to credit card company policy.)
Please confirm the compatibility of your device, as country-locked phones and tablet PCs not equipped with voice call features cannot be used.
You can receive voice and text messages for free. (Not applicable for 1-day pass)
The prepaid USIM data product is a short-term rental product valid for 180 days after purchase and cannot be used after.
1 day/2 days/3 days/4 days/5 days/7 days/8 days/9 days/
10 days/15 days/20 days/30 days/60 days/
90 days are applied every 24 hours from the moment you scan the eSIM QR on the mobile phone.
You can use unlimited data during the usage period. (You can use data continuously at a speed up to 100Mbps.)
This SIM does not support the NFC function.
All SIM products can be purchased (up to five products per person) via the official SK Telecom website or the roaming center at the airport.
This product cannot be charged for [voice/text(outgoing)].
Personal authentication services and text message receipt for payments are unavailable.
All incoming/outgoing calls and text messages are unavailable until the passport information has been verified. (Data is available for use regardless of whether or not the passport information has been verified)
Incoming calls and text messages are only available after the passport information has been verified.
Passport information verification is available for only one product per passport. Passport information verification is not available for multiple products with one passport)
All eSIM/SIM (data) 1-day plans do not require passport information verification.

Passport information verification

Step.1

Scan the passport information verification QR code in your paper or online voucher.
Step.2

Verify your passport information on the page accessed by scanning the QR code.
Step.3

After completing the steps, please check the text message received.

Passport information verification is only available between 8 AM and 10 PM, and is not available at other times.
If you wish to verify passport information outside the available hours online, please proceed with the verification process at the airport roaming center.
All incoming/outgoing calls and text messages are unavailable until the passport information has been verified. (Data is available for use regardless of whether or not the passport information has been verified)
Incoming calls and text messages are only available after the passport information has been verified.
The roaming customer service center (+82-2-6343-9000) is available for incoming/outgoing calls regardless of the passport information verification status.
Passport information verification is available for only one product per passport. Passport information verification is not available for multiple products with one passport)
No additional verification procedure is required after the first confirmation of passport information.
All eSIM/SIM (data) 1-day plans do not require passport information verification.

SIM usage

iOS
Android

- Step.1
  
  Set Wi-Fi and Airplane mode OFF,
  and cellular data ON
  (Models after iPhone6 are LTE enabled Data)
- Step.2
  
  Turn off your mobile device and place a SIM inside.
- Step.3
  
  Check if the phone is displayed as “SKT”
If not displayed as a service area

Turn on and off your mobile phone until you see the antenna.
If "Not in service area" is still displayed after repeatedly turning off and on your mobile phone, please move to a new location and try again.

When displayed as No SIM card

Turn off and on your mobile device two or three times with the SIM inserted.
Turn on your mobile device and dial #758353266#646# from the Phone application. When the "Do you want to download USIM?" window appears, click OK.
Please check your APN settings if "SKT" is displayed as your mobile carrier but there is no data connection.
1. 1Settings
2. 2More networks
3. 3Mobile networks
4. 4Access point name
If manual settings are not possible (if Cellular Data Network does not appear)
In case of the latest iPhone model, APN manual settings may be blocked, so if you cannot see the Cellular Data Network,
please proceed as follows.
- Step.1
  
  Turn off your mobile device and place a SIM inside.
- Step.2
  
  Turn on your mobile device, then disable airplane mode and activate the data network.
- Step.3
  
  Check if the phone is displayed as “SKT”
If not displayed as a service area

Turn on and off your mobile phone until you see the antenna.
If "Not in service area" is still displayed after repeatedly turning off and on your mobile phone, please move to a new location and try again.

When displayed as No SIM card

Turn off and on your mobile device two or three times with the SIM inserted.
Turn on your mobile device and dial #758353266#646# from the Phone application. When the "Do you want to download USIM?" window appears, click OK.
Please check your APN settings if "SKT" is displayed as your mobile carrier but there is no data connection.
1. 1Settings
2. 2More networks
3. 3Mobile networks
4. 4Access point name

How to set up APN

iOS
Android

- Settings → General → Reset → Reset Network Settings, then restart to use
- (If ① fails to resolve issue) Visit unlockit.co.nz after connecting to Wi-Fi → Click CreateAPN at the bottom → Enter country/carrier information → Click CreateAPN → Restart profile “installation” to use
If recognized automatically

Please select an APN below.
APN : lte.sktelecom.com

If not recognized automatically

Go to "Add New APN" in the menu, then enter the following information and save it.

APN : lte.sktelecom.com MMS PROXY : lteoma.nate.com MMSC : http://omms.nate.com:9082/oma_mms
MCC : 450 MNC : 05

Purchase a prepaid SIM

How to verify the authenticity of detailed passport information - SKT

Convenient Passport Verification Methods
to Know Before Using SKT Products

Verification method

Step.1
Install the eSIM on your phone by scanning
the QR code on the voucher
Step.2
Check SKT & data usage
after arriving in Korea
Step.3
Enter the passport information
verification page
(https://www.skroaming.com/passport/)
Step.4
Enter the mobile phone number and rental contract number on the voucher
Step.5
Enter your passport information
(i.e., last name, first name, passport number, date of birth, nationality)

Step.1

Install the eSIM on your phone by scanning
the QR code on the voucher

Step.2

Check SKT & data usage
after arriving in Korea

Step.3

Enter the passport information
verification page
(https://www.skroaming.com/passport/)

Step.4

Enter the mobile phone number and rental contract number on the voucher

Step.5

Enter your passport information
(i.e., last name, first name, passport number, date of birth, nationality)

Tips for verification!

If the authenticity of the passport information cannot be verified, please remove any special characters and spaces from the name and enter it again.
The online passport information verification system is provided as a QR code in the email voucher and the contract, available every day from 8 AM to 10 PM.
If you wish to verify passport information outside the available hours online, please proceed with the verification process at the airport roaming center.

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