Best Korea SIM Card for Data Allowance Only, “KT Data Prepaid SIM”,

  • Unlimited 4G LTE Data Only Service, Never Recharge again!
  • No More Search for Wi-Fi Zone!
  • Simple SIM-Swap and Immediate Connecting!


Pass Price
5-Day(120 hours) 25 USD
10-Day (240 hours) 35 USD
30-Day (720 hours) 65 USD
It’s good for Data allowance only.
Calls and texts are not available.
WhatsApp, LINE, etc. (mVoIP) is recommended when calling.
Surtax 10% included.
No need to drop off SIM
Tethering Support & Data Speeds
You can share the internet connection with other devices via tethering.
You can surf with 4G LTE, an Internet upload and download speed up to 5 Mbps.
SIM Credit Expiry
You will collect activated SIM already.
Credit Expiry is exactly counted based on collecting date and time.
e.g. in case of purchasing 5-Day Pass for KT Data Prepaid SIM
Started  Date and Time : July 1, 11:30 pm (Collect Time)
Expired Date and Time : July 6, 11:29 pm

Order Process

1. Place an Order
Order should be required 24 hours prior to pick SIM up.
As a guest, you can do order without registering.
Check your phone details as below.
Unlocked Phone?
Phone’s Compatibility?
SIM Size?
Customers using phone activated in USA, Canada, Japan, have to make sure that your phone should be unlocked before placing your order.
How to order in case of multiple QTY with Nano & Micro type?
Choose one pass of them in the product list.
Enter the number of item in the quantity field.
Choose SIM type two times, Nano first and then Hybrid.
Put it down in the order note, e.g. Nano 1, Hybrid 1.
2. Make a Payment
You will pay with Global Credit card or PayPal.
We accept Visa, Master American Express, Discover.
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.
If you meet the Korean language when proceed to PayPal, To get English, choose the language option in the PayPal page.
3. Confirm & Get Voucher
After payment, you will receive confirmation mail with the downloadable pdf-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).
You should show your voucher to collect SIM at the pickup points.
If you didn’t receive confirmation email, please check your spam or junk email folder or notify us by email (
4. Collect SIM at Pickup Points
Say ‘ Collect KT Data Prepaid SIM’
Show your Voucher & passport.
As soon as collecting your SIM at the pickup points, check if your phone works or not.
If your phone does not work, contact staffs directly at the pickup points please.
Required Documents : Passport & Voucher
Language Option
To learn more details, Tap national flag!

Special Deals & Product Review Contest !

Enjoy 10% OFF  Promo Coupon!

05-Day Pass : 10% OFF, Price Now USD 22.50
10-Day Pass : 10% OFF, Price Now USD 31.50
30-Day Pass : 10% OFF, Price Now USD 58.50
Coupon code : neokosim10s
Online Order till 30 June 2017, Don’t miss it !
How to use Coupon Code
Choose Data Pass (5, 10, 30 Days) in the product list.
Click here to enter your code in the “Have a coupon?”
Enter your code and Click “Apply Coupon” Button.
Follow in order above to avoid error message below.
Sorry, this coupon is not applicable to your cart contents.”

Review us & Win Starbucks e-gift card !

How to do review us
Join our Review : Review > Product Review on menu
Create Star Rating by Tapping.
Leave your Review to the comment.
Contest Details
Do us the favor of star rating and writing a review about your experience with our products.
5,000KRW (5US$) Starbucks e-gift card
Extra $5 Promo Coupon (If not want Starbucks e-gift card)
5 winners on the first day of each month
Contest Period
First     Term  : 1 May 2017 ~ 31 May 2017
Second Term : 1 June 2017 ~ 30 June 2017
5 Winners will be posted on our Webpage, Facebook, Instagram and Each winner will be notified by email.

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 your phone

Unlocked Phone?
To enjoy KT Data Prepaid SIM in Korea, you must have an unlocked phone.
To find out if your phone is unlocked, Tap Here!
SIM Size?
The KT Data Prepaid SIM is available in two SIM sizes of nano and hybrid(standard/micro).
If you’re unsure which size you need, Tap Here!
Compatible Phone?
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!

Pick-Up Points

Incheon International Airport
KT Roaming Center, in the Arrival Hall(1F)
Open 24 Hours all the year
Beside Gate 10 : Pickup at 06:00 ~ 22:00
Beside Gate   6 : Pickup at 22:00 ~ 06:00
Gimpo International Airport
KT Roaming Center, in the arrival hall (1F)
Beside Gate 1
Open 07:00 ~ 23:00 all the year
Gimhae International Airport
KT Roaming Center, in the arrival hall (1F)
Beside Gate 3
Open 06:00 ~ 22:00 all the year
Jeju International Airport
KT Roaming Center, in the arrival hall (1F)
Beside Gate 5
Open 09:00 ~ 19:00 all the year
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
If you want to activate your sim on different date after pick it up, please collect SIM at this pickup point!
To find out more pickup points’ details,

Getting Started

Ready to Activate for Self-Care !
Power off your phone
Switch KT Data 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 :
Server / MMSC : http : //
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 insert KT Data Prepaid 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.

Cancellation & Refund

Send us email promptly if you want to cancel your order.
According to cancellation time limit (Korea Time: GMT +9:00), it is subjected to following our policy.
3 days prior to the starting date : No cancellation fee
Between 3 days to starting date : 10% handling fee (of the total ordered amount)
After starting date : Non-Refundable
You will get a refund according to the cancellation policy.
Once Prepaid Data SIM opened, it is strictly not refundable once sold.
Refund of balance will be paid back by PayPal account.


Review of Breakdown

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



User Rating: 4.81 ( 9 votes)

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