KT Data Prepaid SIM


  • Unlimited 4G LTE on KT Nationwide Network
  • Good for Unlimited Data allowance only
  • Simple SIM-Swap Immediate Connecting
  • To learn more details, Tap national flag!


  • Tethering is available
  • Not available for Calls and texts
  • Available for Voice Talk by using Skype, Line, etc.
  • Internet up & download speed 5 Mbps


Pass (Credit Expiry) Promo Price(10% Off)
5-Day (120 hours) USD25 -> USD22.50
10-Day (240 hours) USD35 -> USD31.50
30-Day (720 hours) USD65 -> USD58.50
You will collect activated SIM.
Credit Expiry is exactly counted based on collecting date and time.
Surtax 10% included.
To get 10% Off, put a coupon code when ordering!
No Extension

[ Process ]
Order & Pay > Download Voucher > Pickup > Set APN

1. Place an Order
You need to order at least 24 hours 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. Make a Payment
You can pay with PayPal account or Global Credit card :Visa, Master American Express, Discover.
You can pay with your credit card as a guest on the PayPal Page if you don’t have PayPal account.
You can pay with Korean won(KRW) via Bank Transfer (BACS) if you don’t have global credit cards.
After payment, you will receive confirmation mail.
If you didn’t receive confirmation email, please check your spam or junk email folder or notify us by email,
3. Download Voucher
You should have to download your voucher by clicking ‘Voucher Download’ item on the confirmation mail.
You should show your voucher to collect SIM at the pickup points.
4. Collect SIM & Set KT APN 
Required Documents : Voucher and Passport
Set KT APN/MMSC Settings on your phone, check if your phone works or not.
If your phone does not work, contact staffs directly at the pickup points please.

Save Now 10% OFF !

Coupon code : neokosim10s
Online Order till 31 Oct 2017, Don’t miss it !


How to use Coupon Code
Choose Data Pass (5, 10, 30 Days).
Click “Have a coupon?”
Put the code & Click “Apply Coupon”.
Follow to avoid below.
Sorry, this coupon is not applicable to your cart contents.”

Order Now !

Returning customer? Click here to login
  • K-SIM  (pass: 5 Day)  —  $25.00
  • K-SIM  (pass: 10 Day)  —  $35.00
  • K-SIM  (pass: 30 Day)  —  $65.00

Billing Details

Additional Information

Your order

Cart Subtotal $0.00
Order Total $0.00

Checking My Phone

Unlocked phone?/ SIM Size?
Customers using phone activated in USA, Canada, Japan, have to make sure that your phone should be unlocked before placing your order.
Nano and Hybrid(standard/micro) is available.
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

About Payment, Voucher

How to Pay?
Even if you don’t have PayPal account, you can do pay on the PayPal Page as below.
Choose “Pay with my credit or debit card” instead “Log in”.
Fill in your billing details and tap “Pay” button.
How to download Voucher?
Click “download Voucher” in your confirmation mail.
Take a picture on your phone or print it out (on PC).
Take a screenshot on your phone (on Mobile).


Pickup Points

Incheon International Airport
KT Roaming Center,1F, 24 hours 365 days
Gate 10 (06:00 ~ 22:00), Gate 6 (22:00 ~ 06:00)
Gimpo International Airport
KT Roaming Center, 1F, Gate 1, 07:00 ~ 23:00, 365 days
Gimhae International Airport
KT Roaming Center,1F, Gate 3 06:00 ~ 22:00, 365 days
Jeju International Airport
KT Roaming Center, 1F, Gate 5, 09:00 ~ 19:00, 365 days
Hongik KT Agency, LINK Korea
Hongik Univ. Station(Seoul Subway Line 2, Exit 2), KT Sinchon Building 4F
Open 09:00 ~ 18:00 all the year
If you want to activate your sim on different date after pick it up, Choose this as pickup point, please.

Amendment, Cancellation and Refund for Order

Send us email promptly if you want to cancel your order or amend order details.
It is subjected to following our policy.
Before the pickup date: fully refunded.
After pickup date : pickup date is amendable or 90% amount of the total paid price will be refunded.(10% handling fee)
Once KT Data Prepaid SIM opened, it is strictly not refundable once sold.
Refund of balance will be paid back by PayPal account.
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