Product Review

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* KT Data Prepaid SIM  :  Unlimited Data allowance only
KT Prepaid SIM  : Affordable Calls & Texts with Unlimited Data
KT Wi-Fi Router : Blazing fast  Mobile WiFi with No Data Limited
ANNEX Korea SIM : Unlimited Local Calls & Texts, Unlimited Data
ANNEX Korea Roaming SIM : Unlimited Local Calls & Texts, Unlimited Data, Intl Calls & Korea Call Forward

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We’d love your feedback !

We'd love your Feedback ! * KT Data Prepaid SIM  :  Unlimited Data allowance only * KT Prepaid SIM  : Affordable Calls & Texts with Unlimited Data * KT Wi-Fi Router : Blazing fast  Mobile WiFi with No Data Limited * ANNEX Korea SIM : Unlimited Local Calls & Texts, Unlimited Data * ANNEX Korea Roaming SIM : Unlimited Local Calls & Texts, Unlimited Data, Intl Calls & Korea Call Forward Great thanks for being with us. We always appreciate your support for our products. Your precious review of the items you have purchased is a key to our success. Please let us know how we're doing by…
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Review of Breakdown

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

Amazing!

Create your Star Rating by tapping below and Leave your Review, please!

User Rating: 4.26 ( 26 votes)

Showing 12 comments
  • Insuk
    Reply

    Amazing quality. I really loved it!! Would love to use it next time again!

  • Erica
    Reply

    This is the first time I’m using Neokosim as recommended by a friend. So far so good. 🙂

  • Jessene Mariano
    Reply

    I always use Neokosim whenever I visit Korea! I’ve recommended the service to my friends as well, and they love it 🙂 Thank you!

  • Marco Tulio
    Reply

    Perfect service.
    People from Neokosim were reakky helpful.

  • olboy2008
    Reply

    I was so pleased to find NeoKosim before my trip to Korea last year.
    And I’ve kept using them since.

    Their customer service is 2nd to none, as is the product they provide.
    Whether via email or in person at their office, they have always been efficient, helpful and very friendly.

    Definitely 5 out of 5 in all aspects of their business, service and support.

    The service worked at all times whilst I was on the Sth Korean mainland, and also during my trips to Jeju-do.
    It never failed me.

    Thank you so much!

    • sunaerang
      Reply

      Thank you so much for your warm heart comment. Have a nice coming trip in Korea!

  • eoin stanley
    Reply

    awesome speeds, easy to find at the arrivals gate in seoul. Best data travel sim experience. Will use again.

  • michaelmcwong
    Reply

    I rated this 4.5 stars but actually meant to rate it 5. I bought an unlimited data SIM for one month and it was so good I renewed my subscription.

    First of all, as somebody who doesn’t speak Korean, the Neokosim has a very friendly, awesome customer support system and answer emails very quickly. The service you get from start to finish is fantastic, especially if you go to one of their centers and they put the card in for you. They set it up, give you a wallet for your old SIM and it’s really easy.

    The product is also incredible. Always has solid service (apart from the last 24 hours of the SIM where the signal became spotty) which can stream without any problems. The SIM also doesn’t ruin your phone so if you use things like kakao and whatsapp, it won’t ask you to renew your credentials.

    If you’re in Korea for a week or so, I’d recommend getting the unlimited data SIM. Yes, you can get wifi eggs (I did before I moved here) but the have limits per day and you can lose an egg. You put this SIM in, restart your phone, turn on your data, and then throw the sim away when you’re finished or back home.

    Thoroughly recommend!

  • Erika Scorsoni
    Reply

    Neokosim is a great company that always helped me when I need it! Not only for travellers but if you live in korea you can use it too! I use it for almost 11 months and I love it! Great unlimited internet and great staff!

  • Erica
    Reply

    i highly recommend neokosim. The internet is so fast and i didnt have any problems.

  • 트로이 Beisigl
    Reply

    Half way through my trip and no problems at all. Used all throughout Seoul and outlying areas like asan. Used on the KTX from Seoul to Busan. I have never once had no service. Am very happy and will be using this service every time I am here in Korea.

  • Jennifer
    Reply

    This is perfect, great LTE, never let me down, that’s why I use always whenever I visit Korea.

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