Ktravelsim Plan – Unlimited Data Plan for 30 Days


Download SIM Card Purchase Guide and Agreement

Important Information Before You Purchase a SIM Card.

  • The fees for extension of the service is non-refundable.
  • To use this service, your device must be unlocked. Please contact your current telecommunications company to make sure that your device is unlocked.
  • This service may not be able to be used with all device models and frequency bands. Your device must have the following frequency banks. *3G/UMTS B1(2100) and LTE B1(2100), B3(1800), B8(900).
  • After installing the SIM, the device may need to be turned on/off up to 5 times to recognize the SIM, depending on the device model.
  • You need to provide your copy of passport and your picture when you purchase the SIM card by Korean government laws.

Before purchasing a SIM card , be sure to check the following :

  • The application fee for extension of the period of use is non- refundable .
  • You must use an unlocked mobile phone. Please check in advance whether the mobile phone you are using is unlocked by contacting the mobile operator you are using .
  • Even if it is unlocked , the SIM card frequency may not be compatible with your mobile phone model . Please check if your mobile phone model supports the frequency bands below . *3G/UMTS B1(2100) and LTE B1(2100), B3(1800), B8(900).
  • After inserting the SIM card into the mobile phone, turn the power off and on about 5 times until the mobile phone recognizes the SIM card . It may be different depending on your phone model .
  • When purchasing products, you must provide your passport and face photo in accordance with the relevant laws and regulations in Korea .

how it works

  1. Purchase a SIM card on Koreatravelsim.com.
  2. Flight to South Korea.
  3. Insert a SIM card on your device.

Use Way

  1. Buy a SIM card on the website KShopinUSA .
  2. Depart for Korea.
  3. Insert the SIM card into the phone.

    Plan information

    • Unlimited data (5 Mbps)
    • in Korea Up to 35 minutes of voice calls / free reception
    • 100 minutes of international calls to the United States
    • Up to 450 text messages sent / free to receive
    • 29 days validity


    • After purchasing the product, please contact the customer center.

    Customer Service

    • USA: 2975 Wilshire Blvd. STE 100, Los Angeles, CA 90010
    • Email Address : info@koreatravelsim.com

    customer service

    • USA: 2975 Wilshire Blvd. STE 100, Los Angeles, CA 90010
    • Email Address : info@koreatravelsim.com

    [Return Policy]

    Most new, unopened items can be returned within 30 days of delivery for a full refund. In the case of a return due to our error (received by mistake or defective product, etc.), we will also pay the return shipping cost.

    You should expect to receive your refund within 4 weeks of giving your parcel to the return sender, but in many cases you will receive your refund sooner. This period includes the transit time it takes us to receive your return (5-10 business days), the time it takes us to process your return after we receive it (3-5 business days), and the amount of time your bank will issue our refund It includes the time it takes to process your request (5-10 business days).

    If you need to return an item, please log in to your account, confirm your order using the 'Complete your order' link under the My Account menu, and click the Return Item button. We will notify you by email of your refund once we have received and processed the returned item.


    We can ship to almost any address. Some products have restrictions and some products cannot be shipped to international destinations.

    When placing your order, we will estimate your delivery and delivery date based on the availability of your items and the shipping option you have chosen. Depending on the shipping provider you choose, a shipping date quote may appear on the Shipping Quote page.

    Please also note that shipping costs for many of the items we sell are by weight. The weight of these items can be found on the detail page. All weights are rounded to the next pound to reflect the policies of the shipping companies we use.

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