Unlimited KT Prepaid SIM


  • Unlimited 4G LTE on KT Nationwide Network
  • Good for Data, Local & Int’l Calls, Texts
  • Simple SIM-Swap Immediate Connecting


  • Tethering is available
  • Available for Calls and Texts
  • Available for Voice Talk by using Skype, Line, etc.

Data Speeds

  • High Speeds Unlimited 4G LTE nationwide
  • Internet upload and download speed up to 5 Mbps
Consumer Feedback of 4G LTE Speeds, Tap Here!

Language Options

  • To learn more details, Tap national flag!


Pass Price (for Data only)
5-Day 27,500 KRW
10-Day 38,500 KRW
30-Day 71,500 KRW
You will collect activated SIM.
Credit Expiry is exactly counted based on collecting date.
You will pay Data Pass price and deposit by global credit card when you pick it up.
This is the best choice to long-term visitors want to over 30 days that’s why there are no need to re-collect or drop off SIM during using period.
Surtax 10% included.
You should drop off SIM at the drop-off points.

Charges for Calls, Texts

International Call & Text Message
China 1.1KRW/sec Japan 3.0 KRW/sec
Singapore 7.8 KRW/sec Hong Kong 1.3 KRW/sec
Vietnam 2.4 KRW/sec USA 1.2 KRW/sec
Canada 7.8 KRW/sec Germany 6.3 KRW/sec
Australia 7.9KRW/sec SMS 110KRW/sent
LMS 330KRW/sent MMS 660KRW/sent
To see more regional rates details, Tap region below!
You will pay charges for used Local/Int’l calls & Text messages when you drop off SIM.
Surtax 10% included.
Free incoming calls
How to use Int’l calls : Dial 00345 + country code + phone number
Local Call & Text Messages
Call 1.98 KRW/sec
SMS 22 KRW/sent
LMS 33 KRW/sent
MMS 220 KRW/sent
Surtax 10% included.
Free incoming calls
How to use local calls : Dial phone number
You will pay charges for used Local/Int’l calls & Text messages when you drop off SIM.

Order Process

1. Place an Order
You need to order at least 2 days prior to collect SIM.
Available for Multi-QTY Purchase
Please check 3 points on your phone before ordering.
Unlocked Phone?/ Phone’s Compatibility?/SIM Size?
2. Receive an e-Voucher
After placing an order, you will receive confirmation mail with e-Voucher.
If you didn’t receive confirmation email, please check your spam or junk email folder or notify us by email, tap here!.
Show e-Voucher to collect SIM, please.
3. Make a payment, Collect SIM
Required Documents : Voucher and Passport
Only global credit cards are accepted for data price and deposit.
Check if your phone works or not when collecting.
If your phone does not work, contact staffs at the pickup points please.
4. Drop Off SIM 
You will pay charges for used Local/Int’l calls & Text messages by global credit card when you drop off SIM.
If you don’t drop off SIM, you shall be charged for the extra data charges (KRW 33,000 : price difference between 30 days plan fee KRW 71,500 and 10 Days pass fee KRW 38,500) and charges in addition when you used local/Int’l call & messages with your credit card opened at the pickup location.
SIM has to be dropped off at the drop-off points before checking security when drop it off at the airport.

Order Now !

1 Step 1
Customer Details
First Name
Last Name
Rental Period
Pickup Date
Return Date

Rental Period : [Field46  - Field45+1] Days, Choose Order Products!

Rental Details
Order Notes
0 /
I confirm that my own phone is unlocked.
With regard to your phone currently in use, ever used other company’s SIM in Korea?
I agree to the terms and conditions, privacy policy.

Checking My Phone

Unlocked Phone?
To enjoy KT Prepaid SIM in Korea, you must have an unlocked phone.
To find out if your phone is unlocked, Tap Here !
SIM Size?
Nano and Hybrid(standard/micro) is available.
If you’re unsure which size you need, Tap Here!
Compatible Phone?
For a phone to work in Korea, your phone must support on one of GSM N/W frequencies below.
4G Bands : Band1(2100MHz), Band3(1800MHz), Band8(900MHz)
3G Bands : HSDPA 2100MHz/HSDPA+
Not Supported TD-SCDMA,TD-LTE Bands
To find out if your phone is compatible, Tap Here!

About Price, Using period, Voucher

What Price is going to when use over 30 Days
e.g., In case of using period is 33 days,
You will pay 99,000KRW at the pickup location,
as the total price is the sum of 30 days pass(71,500KRW) and 5 days pass(27,500KRW).
How to extend additional using period?
You can use your SIM with same local phone number continuously, if you want to extend it, without returning and re-collecting it.
Feel free contact and advice us with additional using period you want at least two days advance.
According to your additional using period, you will pay for additional data price in advance and charges you used calling or text message by credit card only.
How to order multiple QTY with Nano & Micro type?
Choose one pass of them in the product list.
Enter the number of item in the quantity field.
Put it down in the order note, e.g. Nano 1, Hybrid 1.
How to Save an e-Voucher on your phone?
Take a picture on your phone or print it out (on PC).
Take a screenshot on your phone (on Mobile)

Pickup & Drop-off Points

Incheon International Airport
KT Roaming Center, Arrival Hall(1F), 24 hours 365 days
Beside Gate 10 : 06:00 ~ 22:00
Beside Gate   6 : 22:00 ~ 06:00
Hongik KT Agency Office
Hongik Univ. Station(Seoul Subway Line 2, Exit 2)
Link Korea, KT Sinchon Building 4F, 157-1, Donggyo-dong, Mapo-gu, Seoul
Open 09:00 ~ 18:00 all the year
To find out more pickup points’ details,

Getting Started SIM

Power off your phone
Switch KT Prepaid SIM in your phone
Power on your phone
Go to the Setting in your phone’s menu
Turn off WiFi , Airplane, Bluetooth, data roaming mode
Turn on Cellular Data Network mode
Do Setting KT APN in your phone below
Connection Name : KT
APN Name : lte.ktfwing.com
Server / MMSC : http : //mmsc.ktfwing.com:9082
MCC : 450 , MNC : 08
If you are not sure how to use these settings,  Tap Here!
See a signal?
Yes : Great, you can now activate your SIM card
No : If your phone is not locked, you may want to check the coverage in your area and need to power off 3 times to connect the KT network.
When you inserted your SIM in your phone, what you’ll want to do is make sure that you have the right settings to get data/mobile internet and running.


Review of Breakdown

Worth vs. Price
Simple, Easy to use & pick up
Reliable Mobile Network



User Rating: 4.85 ( 9 votes)

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