初めてeSIMを利用しました。 出国当日に購入しましたが、すぐにQRコードが送られてきて、当日に使用ができました。 ポケットWi-Fiのように持ち歩く必要もなく、充電もいらないので大変助かりました。 今後また韓国に行く時は利用します。

下單後沒有馬上收到QRCODE，馬上跟客服聯絡後就收到了，推推客服回覆快速👍 出發前一天就先掃描，一落地後把飛航模式按掉就能直接用了！讚讚

すぐに切り替えられて、問題なく使用できました

I accidentally deleted it and never started using it!  First time in Korea and really need the service.

I installed the esim before leaving the US and within minutes of landing at Incheon, my Wi-Fi and cellular was available. It’s as easy as point and click to instal

雖然速度沒有台灣那麼快，但也是很順 而且4G比較省電

언제나 최고 데이터 넉넉 빠름 언제나 한국갈때 여기꺼만 써요 사자마자 메일로 바로오는 센스..

Delivery was fast enough. in max. 10 min., I guess so. It must be automatic sending system. The installation was easy. Scan and reboot, that's it. The speed was amazing. I used it even in subway. Definitely, I will use this eSIM in Korea again in the next time~!

collected from the counter at ICN, set it up myself and it worked! the speed is very fast and reliable.

電話番号があるので予約もスムーズで使いやすかったです

方便好用，雙卡待機 不用換卡，網速也ok

使用過第二次了真的很方便，網路非常穩定，飛機一著陸開啟馬上就連到了！分享網路也沒有問題，重點是有門號可以訂位非常方便

Very convenient, easy to use

I had good signal in any part of South Korea. From Seoul to Busan and Pohang.

超讚～～好喜歡這種網路卡 不用取貨最方便

操作も難しくはなく、空港についてすぐ上手くつながりました。すいすいネットが使えてよかったです！また利用しようと思います。

Bought it on the app and picked up the sim within the airport. The whole process took less than 10 minutes. Great value for money and gorgeous signal everywhere! Overground, and underground. It’s 10/10

回購多次，方便，網速快速又穩定！希望往後有可以自由選擇天數的方案

This sim card is the best. So very convenient and reasonable price.

Easy to activate and use Fast connection

同じ機能のesimで、他のところでもう少し価格の安いものあるので、時と場合によってはこちらを使います。

Getting the sim cards at Jeju airport was very convenient at counter. The data was unlimited, smooth and at fast speed. Using them for map searching was good. Highly recommeded.

網速訊號穩定電話號碼也可以幫助餐廳預約很讚

現地の空港wifiでも大丈夫ですが心配な方は日本国内でQRコード事前に読み込んで出国、現地でもストレス無く使え、毎回使うがとても便利だと思います。

很順很好用，也不用換實體卡，很推薦懶人，下次還會回購

Best esim for travelling korea, stable connection and speed did not slow down

本來還擔心很難不會用 結果根本白擔心了😂😂 我是在候機時掃了QRCODE設定好 落地韓國的時候重新開機 就有網路了！ 而且在韓國期間完全沒有網路斷掉 或是網速慢的問題 去韓國需要預約的地方因為有電話 預約也完全沒有問題👍 真的是太方便了✌️✌️ 下次出國這個真的還是首選🥰

I strongly recommend eSIM RED

eSIM Red is best eSIM I ever used

QRを読み込んでデータローミングをオンにするだけで接続完了。wifiをレンタルするより安く、ネットワークも途絶えることがなかったので安心して使えた。

韓国旅行4泊で利用しました。 通信もスムーズでとても使いやすかったです。 また次回の旅行で使いたいです。

第一次使用eSim卡 原本想說會不會很麻煩，其實除了要先把QRCODE印出來或是先傳給同行友人再掃碼這部分比較麻煩之外，連結之後就都沒有問題，網路暢通，比起一般的Wi-Fi機要充電還多一個機器的重量，eSim卡還省去了拔卡的麻煩，方便很多👍👍👍

設定も簡単で、電波も問題なく使えました！ 無制限なので、YouTubeなどを部屋で見たり移動でナビを気軽に使えるので安心でした。 また利用したいです

Very convenient and easy to install. Internet was stable.

使用下來完全不卡，很棒的體驗，之後有到韓國出差都會使用它 ，推薦給大家 而且叫外賣也很方便，價錢很合理

這次分別在首爾跟大邱使用，LTE網路都非常順暢，安裝也相當簡單沒有問題，飛機落地後直接打開ESIM跟重新開機一次就能使用，非常方便

After landing I headed straight to the SK Telecom counter at door 8, I had to show the staff the full invoice pdf, they couldn’t scan from my Apple wallet voucher. But once he scanned the code he gave me the SIM card, I had to restart my phone but it connected immediately after that and I had no issues with the connection the entire trip! Good speeds, everything loaded instantly. The first time I tried to use the number the SMS only came like 5 mins later by which time I left. The second time, I managed to use the number for KakaoTalk to queue for a restaurant! It was great,  would recommend

Redeeming the sim card was a seamless process but if you head there slowly, there will be a queue so come asap after you arrive! (For Jeju) A regret was that I hope the sim card would have an option to allow outgoing calls which would make it perfect. Will definitely consider to purchase this again when I’m back in Korea.

eSIM RED offers reliable service and fast enough speed

每次都必買這個，我真心拜託大家真的只買這個產品就好了！

Its a bit bummed there's no 15 days data so i decided to get the 20days one. have been using this data whenever i go korea and it's really easy to set up. just use normally like your usual sim card, the data works pretty well although sometimes it gets lag. but overall it's really a good one. will recommend to everyone to use this! thank you

Battery life was awesome. Lasted me the whole day with 2 phones connected. If you’re traveling with a group, keep in mind that it can only accommodate up to 3 devices.

毎回こちらを利用させて頂いています！ 設定も操作も簡単！ 無制限でサクサク繋がってストレスフリーです！

方便好用，在濟州島網路訊號都沒有問題，又有韓國010手機號碼。

今年旅遊跟kkday訂了好幾次esim，每次經驗都不錯，以後還會持續使用

全く問題なく二泊三日の旅行を終えることができました。3人で利用したのですがあちこち検索しながら移動できてほんとに助かりました。韓国旅行の際には必ず利用したいです

So easy to locate kiosk at the Terminal 1 and transaction is very easy and smooth. Very easy to set up data connection and speed is very reliable! Thank you!

台灣的網路真的是該檢討 韓國網路快多了欸

Make our journey aleays updated and the signal good every place we go and battery long lasting

Hi. Can I convert my Korea SIM Blue + into an esim?

Great experience. It works perfectly fine and you have Internet access wherever you go without relying on insecure wifi options. If your trip is longer than 30 days and you need to buy another eSIM, just remember that the second one will not work until the first eSIM completely expires (a day before expiration, you will get a text message telling you when exactly your eSIM expires). I will definitely use this service again!

Good service and fast internet . Recommended to who coming to korea

因需要買兩張卡，個人使用時間不小心重疊了，客服迅速聯絡當地電信公司，不到十分鐘就解決了!很有效率，很不錯!

在濟州島使用全程無斷網，網速流暢，不需更換Sim卡，使用上超級方便，可先在台灣開通到當地即可馬上切換使用🙌🏻

Ordered the Unlimited Data 10-Day SIM, and had a smooth experience collecting the Sim Card from the counter at Jeju International Airport (SKT counter was on the extreme right hand side of the arrival hall). I was able to access the internet after swapping my phone sim card immediately, which was great. Overall, excellent coverage on Jeju-do – Could download and upload videos and photos even on Hallasan, Songaksan and other nature areas, and on the smaller islands I visited (e.g. Gapado, Marado and Udo). Will definitely re-book this on my next trip to Jeju / South Korea :D

その日の朝韓国で注文して、1時間くらいですぐ届いて助かりました！1日から選べるのでとても便利です。データプランも問題ないです

eAIMを使ったことのある人なら設定も簡単、問題なく使えます。 初めての人でも全然難しくないです。 次回も韓国に来る時は使うと思います。

因為韓國大部分餐廳訂位都要有電話，所以每次去韓國都使用這家的esim 卡，網路品質雖然有時候怪怪的，但都會自動接上Wi-Fi所以可以不用太擔心喔

ทำการซื้อก่อนเดินทางเข้าถึงประเทศเกาหลีและลงทะเบียน eSIMไว้ในเครื่อง เมื่อไปถึงประเทศเกาหลีสามารถใช้อินเตอร์เน็ตได้ทันที อินเตอร์เน็ตมีความเร็วสูงและใช้งานได้อย่างไม่จำกัดทำให้สะดวกสบายในการเล่นโซเชียลมีเดียตลอดการท่องเที่ยวได้เป็นอย่างดี

韓国2泊3日の滞在でこちらを購入しました。 SMSを使用する事は無かったですが、免税など電話番号を聞かれることがあったりお店の予約などで電話番号が必要なのであると便利です。ネットの方もスムーズでとても良かったです

ダウンロードや使い方など簡単だったので、とっても便利でした

eSIM RED is a little bit pricey but worth it than other cheap roaming SIMs

It works flawlessly. eSIM RED is recommendable

4か月半くらいの短い期間の留学のため、SIMカードを買うのではなく、こちらの商品を1か月ごとに買う形にしました。 電話番号は発信はできませんが、カカオの電話機能は問題なく使えますし、ほとんど飲食店の待機用とかに使うだけなので何の不便もなかったです。 データ無制限なので、Wi-Fiがない環境でもサクサク使えました。YouTubeを外で見ても普通に見れます。 旅行にしては長期、留学にしては短期の方などにはおすすめです。

best support and service! eSIM RED is good

不用換卡，在首爾網路都蠻穩定的，還有電話可以預訂位置，不需在現場排隊，可以在隨處走走逛逛，等號碼到店家會傳訊息，在過去用餐即可

Everything worked just fine. At first there were some problems with the connection, but after I restarted my phone it worked.

初めて使用しましたが面倒なことが一切ない。 ただバーコードを読み取って、キャリアをオンオフするだけ！今後海外行くときは使おうと思います！

eSIM Red is fastest prepaid SIM I ever used

混んでいる場所でも全然余裕でつながりました！

Thanks to the excellent customer support, I was able to use it well.

eSIM RED is best

Coverage very good and everywhere signal so strong even in busan and gyeongju

If you need a SIM for traveling to Korea, I recommend eSIM RED

初めてesimを利用しました。 対応方法はメッセージで聞くこともできますし、ネット上にもわかりやすく書いてあるので、問題ありませんでした。 たまに電波の悪いところはありましたが、それは日本でも同じなので、特段問題ありません！ また利用させていただきます。 SIMフリーにしておくのは、お忘れなく！

eSIM RED is the fastest sim card I've ever experienced

初めてeSIMを利用しましたが、レビュー通り何も問題なく簡単な手順で通信でき、快適でした。ありがとうございました。

eSIM RED is very good.

Just need to insert in the sim card and it is ready to use. some restaurants need local number for reservations so it will be useful. data is very smooth and fast.

I highly recommend eSIM for travel to Korea

Korea SIM Gold is fastest SIM card I ever used

Unlimited high-speed Internet. I could watch YouTube 1080p videos using eSIM.

Super easy to pickup at the airport (very obvious where the stalls are after you exit baggage claims area) and worked right away after inserting into the phone sim slot.

Always a warranty when you need a tourist sim card in Korea. I had no trouble with them.

一出關就能看到服務櫃檯，非常便利，旅遊期間網路很快速，即使在人多的場合也有訊號，期間都沒有斷線問題！很棒～下次還是會使用此服務！！

注文５分後にメールで受け取りました。eSIMは始めてでしたがサクサクと使えました。

I’ve just taken this Esim. It is good and easy to get it. Customer service is great and responsive.

Great coverage anywhere we go. Very useful specially when looking up for directions.

easy to install and great speed. would buy it sgain

Internet speed is very fast and convenient

Whenever I visit Korea, I use eSIM RED

this is first time using prepaid eSIM. It works flawlessly

There is a 010 number, so you can use it for kakao taxi or restaurant reservations. The speed is also very fast.

It provides outstanding customer service. eSIM also works well.

安くて便利だった

リーズナブルにレンタル出来たし、機器にも満足です。また韓国旅行をする際に利用したいと思います。ありがとうございました。

網速順暢

網速順暢 價格實惠 到韓旅遊可參考SK電信的產品 並事先預購

毎回これです。

4月にはじめてこちらを使用して以来、月一の韓国旅行ではいつもこちらを使用しています。

It's very fast and convenient.

The Data Speed is fast. It is very convenient as they can cover all places we went to.

今回の一泊の韓国行き、極力荷物を少なくしたかったので初eSIMを使用。控えめにいっても最高でした！現地に着いて副回線扱いにしてた購入済みのeSIMをオンにしたら、日本となんら変わらず使用開始でき、4Gであっても運用的に全く支障ありませんでした。文字通りノーストレス。毎回Wi-Fiのレンタルを探してたことから解放された。これからのeSIMリピートは確定ですね。

I received an e-mail 10 minutes after ordering. Scanned and used. The speed is fast and good.

I used it so well. It's also very fast.

best eSIM I ever used

Very easy to install, just need to do it before the flight and reboot your phone when touch down, and you will be connected to Sk telecom immediately. The best thing is you’ll have a local number which is SO important - you will need it when making reservations for popular cafes and restaurants, and you’ll receive the SMS when it’s about your turn! Super value for money!

We found the esim handy when cycling and didn't have access to free wifi. We didn't need to make phone calls while in Sth Korea so just having access to wifi was perfect.

Very convenient and good price. ESim installation is quick and easy, worth every cent to be connected as soon as you arrive to Korea.

Super convenient! Great connection throughout! Highly recommend! :)

Great company to choose when traveling here, never failed to produce great service as we mainly used it to for Wi-Fi to look for places and it did great. When I come back here I will most definitely use this same company again for my SIM card, thank you for making our trip at South Korea easy and efficient!

Used it for one day and it did not disappoint. The signal and data was a very big help in getting around Seoul while waiting for our other family members to arrive

I paid for the pocket wifi the day before we travelled. Collected promptly at the SK Tel counter at the airport. It was convenient, fast and easy. The rate was good too. Highly recommended.

quick Internet connection throughout seoul.

Fuss free eSIM setup, stable data connection for the 6 days I was in Seoul, cheaper than activating data passport from M1 yet with a local number for restaurant reservation.

Easy to activate. Service and data was sufficient for our trip in Seoul.

The eSIM of the Korea SIM Card is comfortable.

安くて便利だった

リーズナブルにレンタル出来たし、機器にも満足です。また韓国旅行をする際に利用したいと思います。ありがとうございました。

Exceptional customer service! They responded quickly to my inquiries and were very friendly. I highly recommend them for travelling overseas 

I had my e-sim for 30 days and it worked exceptionally well! Then I got an additional 10 day sim and had some issues with it but the lovely customer support helped me through it! Such a good experience, 

It worked flawlessly every day i was at Korea. Internet speed was impressive too. Totally recommend this service. A note: activate it once you're at the arriving airport with a pic of the qr or a screenshot. Then reboot your phone, that's it!

Came to visit and compete in the ICG DAEGU 2023 GAMES. THE SIM card helped me stay in touch with all my players all the time. Very handy to have a local cell number for less than $2 per day.

Everything worked out

はじめてe-sim使いました！当日、自宅のWiFi環境がある所で先にQRコード読み込んで接続してから行きました。韓国に着いて機内モード解除前に主回線オフにして機内モード何回かオンオフ繰り返したらすぐ繋がりました。旅行中、問題なく使えました！！

10 Days Blue Card 로 하였는데, Voice Talk 이 되어 Local Phone 하는데 문제없이 편하게 다녔어요.

It is the best SIM product I have ever used while traveling to Korea. Fast, doesn't slow down.

Because the travel period was unexpectedly extended, the Wi-Fi router had to be extended. CoreaSIM responded quickly to my request. Thank you.

this extend option is very useful.

Just enter the number of the Wi-Fi router and pay for it, and the usage period is extended.

ありがとうございました！ こちらのメールアドレスの設定でQRコードが届いていなかったのですが、問い合わせたらすぐに再送いただけました。 接続も韓国到着時にすぐ切り替わったので便利でしたしとても簡単です！また次も使用したいと思います。

The internet is fast, not too slow. Can be successfully used shortly after arrival.  

Excellent connection easy to purchase, easy to set up and great connection! no issues with connection at all! highly recommend this to South Korea e-SIM for users! 👍🏻👍🏻

Easy set up took a bit of time to recognize sk telecom when I landed but no problems after, always has great connection

Fast connection and the phone number worked

super easy to connect! Once landed in Incheon airport, it took me less than 5 mins to connect to SKT. Didn’t have to reboot!

This is my second time purchasing and using this esim. Although this is not the cheapest one but you get a phone number that you can receive sms or call so it’s nice when you need to do restaurant reservations etc.

Bought this instead of pocket wifi because it’s easier than carrying a pocket wifi. It’s also just more convenient to have a korean number while you’re there. It was easy to claim and use. I claimed it at the airport right after arrival. Highly recommended!  

Very useful and good signal everywhere will recommend to my colleagues when they visit South Korea

Unlimited data is a saviour during travelling, especially when you need to find your way around. The connection was good and able to tap as hotspot. Will definitely buy again!

Booked before getting on the flight and was able to get when landed in Seoul. Redemption process was also very simple and fast. Plug and play, no additional setup was required. Data connection was fast in both Busan and Seoul.

The pick-up location can easily find.The exchange center explains how to use the useful period and valid period and valid period.Internet speed is great.It was helpful to upload pictures on social media when you need to upload pictures on social media.an essential item in Korean travel.

It was a early time, but I received a good time

I recommend it! The staff helped me quickly👍🏻 Internet is good and everything is good.👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻

Find Sk claim, easy to find Sk claim.It's fast and good Internet speed.overseas buyers are using Korean vacation, and there's a new purchase doctor

It's so nice to use unlimited data from Korea!  

It's very convenient and good to find the location because the receiving point is right in front of the gate. It's very convenient to have an Internet connection if you get a SIM card, replace it right away, turn it off and turn it back on, and the Internet is working well even though you're going around. I'll use it again next time.

I liked internet and conveniently during the Korean trip.In front of Incheon Airport, the employee of Incheon International Airport's exit right away and quickly.

Good fast nice very well

This is my number one choice whenever I visit Korea. The customer service is so great and the product is wonderful. I really recommend this product and this company if you need to have a phone and data service when you visit Korea!!!

This is my number one choice whenever I visit Korea. The customer service is so great and the product is wonderful. I really recommend this product and this company if you need to have a phone and data service when you visit Korea!!!

Fast, reliable, convenient and no need to change cards. I will continue to use it next time.

Very convenient. It was cheaper to buy online than in person so I booked this while in queue at the kiosk and got my discount.

下飛機連到機場 wifi 後，掃描 QR code 就可以連上了，電話號碼也可以綁定 kakaotalk 抽餐廳號碼牌，在外面也可以將網路分享給電腦，一個人在韓國旅遊真的很方便。

安いけど問題なく使えたようです。SIMカードにするか迷いましたが、設定が面倒なのと、繋がらない恐れがあったので安定のWi-Fiにしました。次からもWi-Fiを利用しようかなと思います。

It is very convenient to use the local sim card, the network is quite smooth, and it is very convenient to have a Korean number

The speed is super fast. Compared with DJB, it is really much easier to use. At the airport, DJB cannot be received or opened at all. On the contrary, there is no problem and it is super fast.

Unfortunately, this SK Telecom eSIM card allows for receiving calls but does NOT allow for making calls (receiving calls is OK though).  

所有人都完美，網卡也完美，除了我⋯

網卡很棒 其實可以不用擔心，但我還是多加錢買了電話號碼，但也許是買了電話號碼，生平第一次使用，就是靠電話號碼點進去～成功！ 網路速度很快，不愧是韓國，必須稱讚👍，也謝謝KKday！

Hi my name meerab and i am studing in 9th class  i am big fan south korea i also4 big fan bts bts my everyrhing i wanna meet bts i need job in south korea

插卡後重開機馬上就能上網了，網速很快無上限，在首爾市區或仁川都很順暢，便宜又好用，因為不是漫遊，所以網速更快而且無上限就不需要擔心降速。

Easy setup, just scan the QR code in the email to activate

Easily to get the sim card. I am recommended this to everybody that planed to go to Korea.

The internet was very fast with no speed down. 

This also have the number to receive SMS and phone call, it this very useful for reserve a seat in the restaurant or if you lost something in Korea.

The data is so good even if I’m at Jeju Island. 

SKT is able to provide service.

Easy to find, easy to use.

We landed at the airport, went through customs, got our luggage and then (easily) found the kiosk to pick up the wifi egg rental. We showed the employee the QR code voucher and she gave us the wifi egg and a portable charger. I didn’t read the instructions on how you use it, but it’s very easy to use. There’s a power button on the side to turn it on and it takes a minute or two to connect to your phones. It works well everywhere we go whether you’re underground in the subway or up in a tall building. The speed is plenty good enough for us to upload pictures, make phone calls through Kakao, and chat with each other and friends. The price is fantastic and I wouldn’t hesitate to book the same service again in the future. Very happy with the purchase!

quick and good service! 

Was easy using and quick service!

best eSIM i ever used. 

this is the first family trip going jeju. everyone is excited and also doing our research for jeju entry requirements

Redemption is easy and the unlimited data is a plus. Can hotspot with others so you save $$. Wifi speed and coverage is good too. Recommended!

iPhone12 Pro Max (from AT&T, unlocked) The eSim was extremely easy to use as a data sim. I had the eSim QR code ready on a secondary device. When I arrived at Gimpo Airport 1) I immediately connected to the free Airport Wifi 2) went to the Cellular setting 3) Clicked the add eSim and by QR code 4) Scanned the QR code from my secondary device 5) Waited a few minutes for the phone to connect to the network (you may need to reset your phone but I didn’t have to) 6) I ensured that cellular data switching was off and that the new eSim was set as the primary data network, so it wouldn’t use my US phone line in the “Cellular Data” setting 7) enjoyed using the unlimited data! I was able to use the phone number provided with the QR code in the K-ETA and the Q-Code webpage. I did receive some random text messages with Bible versus, but I just ignored them. 10/10 would purchase again.

So worth it!

Great purchase! Easy to figure out, didn't lose signal once throughout my stay in Korea, and speed was fast

很快便取得wifi蛋，叉一晚可以用足全日。

おすすめ

滞在中も快適にすごせました。 はじめて利用しましたが開通もスムーズで簡単でした。次回からも利用させていただきます。

한국에 한달동안 머물게 되어 이 웹사이트에서 유심칩을 구매했습니다. 첫날에 활성화를 했을때 살짝 문제가 있었지만 페이스북 메신저로 문의 드렸더니 엄청 빨리 답장도 주시고 문제도 빨리 해결해드렸습니다. 현재 2주정도 사용중인데 별문제 없었고 속도도 괜찮습니다. 좀 아쉬운게 있다면 한국에서 개통한게 아니여서 온라인으로 본인인증은 안되더라고요.. 그거빼곤 만족합니다!! 

It's so convenient to scan the QR code I received by e-mail without the hassle of taking out and inserting the sim card 

I also love that I don't have to remove my existing sim card!

I bought it as a gift for a friend from abroad and it's so nice! 

It's convenient because can use the Internet by receiving the QR code directly through email. 

The internet is fast, too! It also has a number, so it was good to use when entering the country

It would have been better if it was aired. I'll buy it again next time!!

使いやすいー！

初めての海外旅行で不安でしてが初心者でもつかいやすかったです！

I had used this sim 2-3 times already and the signal was good! Gotta use in next time for sure. Recommend this one!

It was very easy to claim the voucher. 

Just show the at code at the counter, they’ve asked for my passport, and then gave instructions on how to use the sim card. Quick and easy

使い放題で快適！

3日間７２時間使い放題で、特に1日あたりの容量制限なく、快適でした。 空港到着後、空港のWi-Fiに繋げて、すぐにesimのQRコードを読み込んでアクティベート完了！

安くて快適

この値段で利用できるのはなかなかないと思います！ 速度も速くて助かりました！ モバイルバッテリーがついているのもよかったです

Hassle free

Went to the counter, showed my passport and installed the SIM card. took a few restarts on my phone for the number and signal to be detected, but after that it worked well. just some spotty signal if deep underground in the subways.

The speed is good

The speed is better than roaming. In Korea, you need Korean telephone number to get the que in restaurant, it seems a must.

サクサク快適でした！

設定方法も簡単で現地では動画を見たりせず検索など必要なことしか調べないので速度制限もかからず旅行中ずっと快適でした。 また利用したいと思えるとても便利なeSIMでした！

機場領取很方便！

旅遊過程中網路都很給力～機場直接領取很方便

Smooth Card Redemption

The counter stuff is helpful and polite. Also, the stuff patiently explain the process of sim card activation!

easy! collection is easy and never had connection issues when traveling around korea

電波も良いです

受取時にお客さんが複数人重なってしまった関係で空港で少し待ち時間（10分弱）がありましたが、ピンも付いていたのでスムーズに入れ替えもでき、快適に使えています。 実は本当は7日がよかったのですが、なかったので10日にしました。7日が増えてくれると嬉しいです。

fast retrieval

The whole collection make easy by showing the coupon to SK counter support crew. Completed the collection within 10 mins

Highly recommended

The device is slim, has long battery life and with stable connection!

Great!!!!!!!!!!!!!!!

easy and convenient

It’s easy to find the counter at incheon airport and the staff was helpful. The wifi is stable.

Great service

Easy pick up at Incheon. Used it for 7 days during our trip in Seoul. Power bank also provided. Will definitely use again on our next trip.

superb wifi

Unlimited wifi. It’s fast and battery does not drain easily

Đáng tiền

Cục phát nhỏ gọn, có pin dự phòng đi kèm, dùng thoái mái

It's very convenient. It's easy to operate.

Convenient! No need to change the card, go abroad before the completion of the settings, the plane can be connected to the settings, immediately with the family report safe.In the past few days, the network has been stable and has a reception number, which can be used to provide contact information and receive official announcements such as snow notices…I'll buy them again next time.

Quick service

Great to have a working sim the second you get off the plane

Easy, fast. Remember to reboot.

サクサク快適でした！

設定方法も簡単で現地では動画を見たりせず検索など必要なことしか調べないので速度制限もかからず旅行中ずっと快適でした。 また利用したいと思えるとても便利なeSIMでした！

非常方便，操作簡單

方便！不用換卡，出國前先完成設定，飛機一停好就能連通設定，馬上與家人報平安。幾天的使用經驗來看，網路穩定，而且有收話門號，可以用來提供聯絡資訊，也能收到當地官方發佈的公告簡訊，如大雪通知⋯下次會再購買。

品質完全沒問題

網速快沒問題也沒有卡網的狀況 可以安心穩定使用

濟州-釜山-首爾 三地使用

旅遊地廣跨濟州島、釜山、跟首爾，使用上還算順暢。

sk網卡

櫃檯人員會英文 基本上沒什麼溝通問題 網路也很順 很棒

韓國旅遊必備

取貨方便，連線快速又穩定，每次旅遊都一定會訂購

SK 網卡

目前網路速度不錯～～～還沒有斷訊的時候 但一開始連線的時候網路跑得有點久 大家要記得確定有網路再離開喔

網速快 方便

網路很快，在機場取sim卡很方便，推薦給去韓國的你們使用

eSIMしか勝たん

購入から数時間後にはQRコードが届き、旅行直前の購入でしたが安心でした。 入れ替える手間もなく、さくさく問題なく繋がります。 今後も利用させていただきます！

Speedy and no speed limit 

The data speed is fast and it’s really nice that no speed reduction is imposed.

i accidentally purchased 2 quantities of 1-day Korea eSIM Red and i only need one (yes, i am that stupid. *note: the site already gave me heads up that i was purchasing the same product 2 times and asked me if i still want to continue but i absentmindedly tapped yes because i was panicking*) i immediately messaged the customer service for a possible refund and still got no reply but because the sim that i bought from the airport is about to expire, i decided to read once again the precautions of this site and saw that refunds are impossible (unless they considered your case carefully just like that one review here) but then thankfully, the  qr codes that were sent to me (they sent it in a flash btw, everything was so fast) were two different qr codes (as it should be because i bought 2 quantities after all)  so  ! i just decided to keep the other one for my next trip here in south korea because it can still be activated 1 year after you receive the qr code. to add, the eSIM is working well! its my first time using an eSIM and my cellular network went from KT to SKT. the signal is good and is just as fast as the other physical sim that i bought from the airport. 

i will surely purchase from this site again because aside from the fast transaction, its very affordable too! thank you so much krsim!!

Due to my fault, I was not able to use eSim at all. According to the policy, I gave up to get refund. However, the company carefully considered my situation and made an exception. This company offered the best price, fast response and reasonable refund service. 

Definitely, I will love to use whenever I am visiting Korea!

quick and convenient

The network card can be collected in advance, the location is very clear and fast, the usage is very simple, Sim card has a pin, can be changed immediately SIM card, reception is not bad, urban network speed is OK.

Very stable internet

The data is stable and easy to use. Recommend to anyone who visit South Korea.

Amazing Service.

Got the qr code in 2 minutes. Real instant service. Seamless internet everywhere even underground. Free to choose when to start to use the service by scanning.

Easy to use and very fast

It's very convenient to use and the speed of data was fast. Alsothey have the Excellent customer service. I'll use it for my next trip

Fast and convenient, excellent service quality and attitude!

Fast and convenient, you can find the service counter as soon as you enter the country, the service quality and the attitude of the staff are very good!You can use the fast Internet as soon as you load your phone and choose to use it again next time.

Easy to exchange and smooth to use

Incheon I soon found the exchange office, the counter is very kind can speak a little Chinese, the network is very smooth or not!push

fast and efficient

You took your waitlist numbers and they call your numbers. Fast and easy

quick and convenient

The network card can be collected in advance, the location is very clear and fast, the usage is very simple, Sim card has a pin, can be changed immediately SIM card, reception is not bad, urban network speed is OK.

It's convenient to get it at the airport!

The Internet is great during the tour~ It's convenient to get it directly from the airport

Convenient and simple.

The counter clerk is very kind and efficient. In such a crowded evening session, the exchange is completed in about a minute. The card is fast and easy to use. It is recommended

I bought the eSIM RED and got the KOREA TOUR CARD!

They have the Excellent customer service. 

I'll use it for my next trip

The krsims chat agent came through quickly and resolved the situation quickly and without much headache. 

The esim worked great and was amazing. Had no trouble with the data connectivity and speed.

Very helpful when I had issues getting my eSim to work. I expected a response the next day but they responded immediately even though it was late! Thank you.

BEST Choice i ever made!!! 

Good. Highly satisfied.

It was very convenient because I could download the plan by scanning a QR code. The data speed was fast enough. I recommended this eSIM to my friend also she satisfied with it. I will choose eSIM again for my overseas travels. Do not forget to do a registration on LGU+ website to activate the eSIM after the download !! I was a bit confused first time but it was quite simple. 

My American friend got esim and had issues with the QR code. I texted kr sim through Facebook messenger. Initially there was an automated message, but in a few hours someone actually got back to me through the messenger and was super helpful. The issue got resolved. Thank you!!

I didn't get to test my SIM yet, but needed to clarify something upon ordering one, and the customer service was awesome! Fast, informative, straight to the point, and super helpful. Great service👍

Absolutely brilliant customer service!

한국 방문할 때 마다 사용 하고 있어요.

주말에도 신속한 대응 해주셔서 믿고 사용할 수 있습니다

데이터도 충분히 빠르고요.

제 남편은 미국 여권으로 Blue 사용하고, 전 Gold 사용했어요 ^^

Excellent & Superb customer service!  Answered quickly all my questions and solved registration problem even in ChuSeok holidays!  (Ordered Korea SIM Blue)

Had an issue with the email containing the eSIM code but the seller was very helpful in resolving. SIM is working great now in Seoul.

I only have good things to say about this company! Reasonable price with excellent and professional customer service!The customer support was prompt and straight forward with clear instructions. All of my questions were answered in no time! I highly recommend Korea sim!

very affordable, most reliable, exceptional customer!

recommended for short trip. Excellent and cheap the location of pick is easy to find the staff also help kindly

Solved my issue within minutes! Fast delivery and service! Would recommend to get their simcard!

I purchased the 30 days WiFi Egg and am very satisfied with their product and their customer service.  I was taking care of my 8 years old son and had to return my egg and Korea SIM Card kindly allow me to ship an egg via mail.  Very happy with the price, product, and an exceptional customer service.

pre-ordered an e-SIM for my Korea trip and the process was extremely smooth.  connected to the QR code provided and reached out via their facebook messenger to get the issues resolved.  their response was extremely quick and they were able to resolve my item!

I can travel conveniently.

speed of using eSIM RED has always been good

It was so nice to get a KTC card that can be used as transportation card at the airport.

It's really satisfying.

Customer service is really good. I had a problem with my sim card and they sincerely fixed it and helped me even though it was my fault. The price is resonable. 

I have no experience with any other e-Sim but this one has been great! 

Purchased and activated all within 5mins. Worked straight away and has been super fast reliable connections all across from Seoul to Anyang.

Would recommend.

The service quality of Korea SIM is great!! Even I'm a Korean, I haven't been familiar to use this kind of service. There were some issues, but they're trying to solve my problems as soon as possible. I was amazing that it was not their business hour. Later the issue was caused by my real sim. When you go to Korea, you should buy and use this SIM. Then your trip will be no problem at Mobile Internet Service!!

Great customers service! All working

Great customer service, my SIM card was delayed due to a covid outbreak in the courier service (not this companys fault!) but as I couldn't speak Korean I wasn't able to phone up to sort something out. The manager of Korea SIM Card phoned and sorted it all out, I received with new SIM card within a few hours. Very kind customer service, would recommend! 10/10

Very good service. They checked the location of order for me and notified me when it arrived. Also helped me to activate sim card. Great service 

Ordered a blue plus sim card from them to be delivered to my partner's apartment in Korea and it arrived within a few days. I had trouble setting it up and contacted their customer support on facebook and they promptly helped me and it was working within an hour! overall super convenient and easy

I had some problems with the activation of my SIM card, even though it was probably my fault they helped me until I could solve it, they were always kind and now that I can use it I can tell you that the Internet speed is fast 

The airport pick-up went without a hitch, and SIM card also works well.

Really nice service and good customer service 

Really good! Always willing to help! Really Recommended!

Cheap!! And data only plan actually comes with a proper incoming call service too!! So handy.

Excellent customer service ! Able to solve my issue in a fast time . Highly recommended for anyone looking for korea eSIM / SIM card

Excellent customer service! very prompt and supportive!!! Keep it up

Excellent customer service, answered fast and solved all my questions. 

Excellent customer service, answered fast and solved USIM registration problem!

The response to issues is quiet fast and reliable. Good service

Very easy to purchase, very clear instructions as well. I was slightly impatient at first, because I recieved 1 email and no QR code. I reached out to the customer service on messenger, and they replied within 10 minutes, during which time the 2nd email arrived. This email had QR code and was working within 5 mins. Very fast 4g as well. Happy days

The best support and SIM I ever got!

Staff always been available even at night or weekend. They replied to all of my questions very detailed politely with incredible speed! :)

The SIM card is fast as they advertised without any complaints.

Once I get back to Korea I definitely going to use your services again! Thank you and keep up your business alive! ☺️

Regards: Gabor from Hungary 🇭🇺 

Very responsive and fast! Helped me set up my SIM card. Thank you so much. Recommend! Very fast internet too!!

There was a problem because I entered the wrong information when registering the SIM card, and I was grateful for the correct solution.

Facebook message response is fast.

It's easy to pick up a SIM card or an egg airport.

The price was also the best.

I'll definitely use this place next time.

I purchased esim card online  and I recieved QR code very quick

It is easy to use and fast. 

I will buy it again next time.

I’ve purchased SIM cards from here every time I visit Korea, and they work great. The prices are incredibly affordable and the customer service is astonishing. Fully recommend this service!

Can I get sim from cheonan, chungcheongnam do?

Highly recommended!!!! great service and very accommodating!!!!

I bought a blue sim, at first there was a problem of activation because of my passport but the customer service quickly solve it. They were very fast and helpful.

After ordering the sim-card online I received it a few days later. There was some issue with the delivery but thanks to their prompt service through FB Messenger they were able to resolve it in a timely manner. 10/10 customer service

Make sure to a activate the SIM card by registering it before use. I wasn't aware of that and mine got disconnected. It took a few hours to get the help I needed to resolve this issue. Once I reached someone, it was easy to resolve.

I bought the e-SIM and it was super easy and convenient. If you can go that route I recommend it 10/10. The customer service support is also A+

Great service, very convenient to use.

Visiting Korea again and using it again!

Very good and fast custermer service! I recommend it!

韓国で３日間esimを使えました。速度も早いし、基本的にデータ使い放題だったので安心で使えることができました。韓国に入国する予定の方なら超おすすめです！

I bought the Korea SIM card Blue for USD64. Pick-up at the airport as well as activation went smoothly. However, about 4 days into using the SIM card, I started to receive marketing calls, prank calls and even calls from unknown sources telling me that I owed them money. I also received calls in which the caller constantly referred to me as another person. I did not use this number for any purpose except for:

1) Picking up the government's calls (I am under compulsory self quarantine due to the Covid-19 situation) and

2) For a one-off food delivery service (which I had used many times before in Korea and not received any weird messages).

All in all, I feel pretty disappointed after reading all the good reviews about purchasing a SIM card from this website, I did not expect to have to face these issues.

Really good and fast! Set up was finished in no time and you can get data anywhere! Will definitely use it again :)

한국에서 10일권 사서 아주 잘 사용했읍니다. 데이타외에 전화 통화가 필요해서 저한텐 요긴했고 전체적으로 편하고 연결상태도 아주 좋았어요. 가격도 10일간 $31.90. 만족하게 쓰고 갑니다. 유심칩 갈아주고 개통 해준 최재원씨에게 감사 드립니다.

Maybe this SIM card could be the best option for who visiting Korea.

I've experienced two times and they are easy to install, 24 hrs ready to support customers even in holidays, very kind and detailed.

잘 이용했습니다. 감사합니다.

1st time in Korea, bought Korea SIM card at 7-11 in the airport. Activation was easy, was using data even before I left the airport. I had a question about kt wifi, messaged Korea SIM on Facebook Messenger. They replied and answered my question so fast. So great!!! 👍

Had a hard time getting this to work but they were very helpful in replying to my questions and got it to finally work.