Day Plan,
Talk + Text + Data,
MY  SIM PLUS A, Data Free


Offer Unlimited Data, Local 100 mins Calls 100 Texts
DAY PLAN : 3, 5, 7, 10, 15, 30-DAY.
After 10GB of usage, data speeds limited 400Kbps
Runs on a nationwide super fast 4G LTE KT network.
Data Speeds : Avg.140 Mbps
Express Domestic and Int’l shipping services are available.
Good for short trips by the day to the S. Korea.
Available free incoming call, text from your country.
Not available for outgoing Int’l Call, Text.
Extendable SIM and No Drop off SIM.
Offer Voice Talk Apps like Whatapp to calls and text messages.
Support Hot Spot and Tethering.


Day Plan Price
3-Day 23.8-> 21.4
5-Day 27.9-> 23.8
7-Day 31.3-> 27.1
10-Day 37.2-> 29.5
15-Day 47.1-> 36.1
30-Day 69.0-> 49.9
10-Day + 15-Day 84.3-> 65.6
10-Day + 30-Day 106.2-> 79.4
15-Day + 30-Day 116.1-> 86.0

Spring Hot Deal 2019!

Special Discount Up to 30% OFF!
Order till 30 June 2019, Don’t miss it!
Shipping charges is excluded.
US$ 3.50 flat fee for domestic shipping
US$ 5.50 flat fee for Int’l shipping
Unit : US$, Surtax 10% included.

Order Now!

1 Step 1
Customer Details
First Name
Last Name
Order Details
Start Date
Delivery DetailsRecipient’s Name, Address with ZIP code, Contact Number (Can type in Korean)
0 /

* Your order will be shipped to this address not your address stored in PayPal.

I confirm my phone is unlocked.
Order Notes
0 /
Order productQtyTotal
MY SIM PLUS + Shipping Fee + Transportation Card[field60][[field48*field60+field65+field66]

Purchasing Process

  • Step 1. Booking Order
  • Step 2. Payment
  • Step 3. Order confirmation
  • Step 4. Shipping
  • Step 5. Registering SIM for Activation
  • Step 6. Checking Credit Expiry
  • Step 7. Getting Started
  • Step 8. Recharge (Top-Up)


Booking Order

Available for Multi-Qty Purchase
Make sure that Phone should be unlocked
Check what SIM size you need : Nano or Micro
Amazing Pay T-money Card can be ordered with this SIM.

Payment, Order Confirmation

Pay with your credit card as a guest on the PayPal Page
by Choosing “Pay with my credit or debit card” instead “Log in” if you don’t have PayPal account.
Visa, Master American Express, Discover or PayPal account are accepted.
Order confirmation mail(“Thank you mail”) will be sent after making an payment. If you didn’t receive it, please check your spam or junk email folder or notify us by email.
If not paid, it does not proceed to the next step.

If you are having difficulty paying via PayPal, here is another way that place an order at this page and make a payment at Open Market Shopping Mall for Korean as follows.
1. Place an at this page and click “proceed to paypal” button.
2. When you are connected to PayPal payment, do not pay, and come back to the original page.
3. Click on Naver Pay as below.
4. Put order No. and Choose product in your order sheet.
5. Make a payment.
6. That’s all folk!


Offer domestic and worldwide delivery services
Domestic delivery offers reliable door to door service (Overnight express) by the Post Office
Int’l delivery offers int’l trade by Air from the Post Office
Tracking number will be mailed to check the delivery status
For Domestic Shipping Time
You will receive your item in the mail of fast registration.
When ordering before 4 pm (KST) weekdays : Next Day
When ordering from after 4:00 pm of Friday to weekend : Next Tuesday
For Int’l Delivery Time
It will be delivered 14 to 21 Business Days
No shipping on weekends or Public holidays
Delivery times may vary during peak periods

Registering SIM for Activation

You are needed to register SIM Activation before using it.
We recommend to register SIM on schedule date you want to use it in advance.
Try to do as following.
1. Visit to SIM Activation Page and >>> :
2. Choose languages.
3. Agree to Terms & Conditions.
4. Put the items
: Your name and email address, starting Date what you want to use,
: Phone Number SIM Number which is 3-digit of given SIM Card, address.
5. Upload Copy of your passport.
6. Click ‘Apply’ Button to complete SIM Activation.
7. Text Message will be sent with credit balance and expiry date when switching SIM into phone.

Checking Credit Expiry Date

It is counted on Korea SIM Card switching date and time.
You can extend expiry date up to 30-DAY only once including first using periods by recharging as below.
Notice on credit balance
You receive Text message of credit balance if you used up 80% of your given call & text credit (100 min/100 texts).
It’s recommend to top up your credit as received message to keep up with data, calls, texts.
Credit Expiry Date can be reduced or data service can be interrupted.
If using without recharge when you used up all of your given call & text credit (100 min/100 texts).
If using local calls below.
Calls to the number (such as 1588, 1577, 02-1588), telephone information service (060), TRS (013), domestic video call and personal number service (050) are strictly limited.

Getting Started SIM

Ease to use and setting configures the correct data APN automatically
1. Turn off your phone
2. Switch Korea SIM Card into your phone
3. Turn on & Check KT 4G LTE Signal on your phone
4. Enjoy unlimited data on your phone
ANNEX TELECOM Customer Center
This SIM Card is powered by ANNEX TELECOM, KT MVNO.
82-1544-4344(overseas), 1544-4344(domestic)
Business hours
Mon ~ Fri : 09:00 ~ 20:00
Lunch Break : 12:00 ~ 13:00
Weekend & Holidays : 09:00 ~ 18:00

Recharge (Top-Up)

Recharge (top-up) amount is KRW 3,000 per day.
e.g. when purchased 15-day Pass and want to extend 3 days, top-amount is KRW 9,000 (=3 days * KRW 3000).
You can recharge it up to 30-DAY only once including first using periods.
e.g. when you want to recharge for 05-DAY Plan, you can recharge up to 25 days only once.
e.g. when you want to recharge for 30-DAY Plan, you can recharge up to 30 days only once.

How to recharge by using APPS as follows.
Download the ‘WHOMSIM’ app
from the Android Play Store, IOS App Store
Open “WHOMSIM” App on your phone
Choose your language
Choose “Top-up” on menu page
Available on Global/Korean Credit card
VISA, MASTER, JCB, AMAX are accepted
Choose “Credit Card” on menu page
Put your mobile phone No. to check balance
Choose Top-up amount
Put credit card details to make a payment
That’s all folk!

Amend, Cancel,  Refund

Send us email promptly if you want to amend or cancel your order.
According to Order Status, it is subjected to following our policy.
Before Shipping : No cancellation fee
After Shipping: Handling fee 10% will be charged.
30 days after purchase: Non-Refundable
You will get a refund according to the cancellation policy.
Once Prepaid Korea SIM Card (MY SIM PLUS) opened, it is strictly not refundable once sold.
Refund of balance will be paid back by PayPal account.
You can return your order within 30 days of purchase.
To receive a refund of the purchase price of your Prepaid Korea SIM Card, you must return it (with original packaging and all contents) within the Return Period in undamaged condition.
Your return is subject to a handling fee. Refunds for your order will not be processed until we have verified your order was received by our shipping company.
To return an item, ship SIM in its original packaging to:
ATTN : NeoKOSIM Return
133-2601, 20, Hagui-ro,Dongan-gu, Anyang-si, Korea, 14044
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