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South Korea Data Sim Card (20GB| 31 Days)

4.8|567 reviews4.8 out of 5 stars based on 567 reviews
•4G/5G
SIM Card
Info

Ensure your device supports eSIM before buying.

Calls Not Included
Available in 1 country
Phone No. Not Available
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AUD55.00
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How to Activate SIM Card?

  • 1

    Follow the instruction

    Follow the activation process as per the instruction sheet.

  • 2

    Insert your SIM Card

    Make sure your phone is turned off. Insert your SIM card into the SIM tray.

  • 3

    Turn on your phone

    Power on your device and wait for it to recognise the SIM card.

  • 4

    Confirm network connection

    You should see signal bars or a network name at the top of your screen.

  • 5

    Set up your phone

    Once activated, your device may prompt you to configure settings or install updates.

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Frequently Asked Questions

Everything you need to know about SimCorner’s SIM and eSIM services for a hassle-free travel. View all FAQ

SimCorner is your trusted global provider of travel eSIM and SIM cards. We offer affordable, hassle-free plans with options for data-only or data with calls and SMS, covering 200+ destinations. Order our prepaid SIM cards online for fast delivery to your doorstep, or choose an eSIM for instant purchase and easy activation. With our unmatched coverage and award-winning customer support, you can explore the world with confidence wherever your travels take you.
Make sure that your device is unlocked before you depart for your trip. Please note: Being on a post-paid plan or contract with your local carrier doesn't mean your phone is locked. If you are unsure, please check with your current service provider.
To activate, simply insert the sim into your device and turn your device ON. The sim will automatically connect to a network which will commence your 10 days of service. This sim will activate in any country, so please only insert once you are ready to use the sim. Please note, you will need to have both MOBILE DATA and DATA ROAMING functions ENABLED/TURNED ON in your device to use the service.
This sim card is a Data-ONLY sim hence it doesn't come with a phone number. The sim card does not allow you to make direct calls or send direct SMS. However, you are still able to make calls and send messages via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype, iMessage etc. However, you are also able to add credit to your Viber or Skype account, which will allow you to make local and international phone calls directly to landlines and mobiles.
You will receive a 3-in-1 sim card; which includes all sizes (Standard, Micro and Nano). This sim card will fit in any phone. You simply need to just pop out the sim card size that fits your phone.
South Korea
The mobile data APN settings should automatically update when you insert the sim card in you phone. If it does not, you need to update the settings so it states the following; APN Name: internet APN: internet Details about APN settings and other important information will be noted on the instruction sheet that will come accompanied with the sim card.
The features on the sim card are valid for 31 days of service from activation. 
As this sim card cannot be recharged, if you feel you need more than 20GB of data then please purchase multiple sims accordingly. For example, if you need 18GB of data then please purchase 3 of these sim cards bearing in mind that each time you activate one sim you will have 31 days to use the 20GB of data. If you are travelling for longer than 31 days, please purchase multiple sims accordingly. For example, if you are travelling for 25 days then purchase 2 of these sims and swap them over at the end of the 31 day period.
Should you run into any issues with the sim card whilst overseas then we encourage you to email us immediately at support@simcorner.com and let us know the following information; Your order number or the name that the order is under along with the sim card number. Which country you are in currently and whether the sim card connects to any network, if so, which network? Did you receive any SMS after you inserted the sim card? If so, please send us a screenshot of that message. Message us screenshots of any error message you are getting. What phone model you are using? Any other information about the issue, which will assist us in helping you resolve the issue. 
You can stay in touch with your family and friends by sending them messages and calling them via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype, iMessage etc. You are also able to add credit to your Viber or Skype account, which will allow you to make local and international phone calls directly to landlines and mobiles.
You are able to remain in touch with your friends and family via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype etc.
If you are travelling to different countries that are noted on the "Countries Coverage" section, then all you need to do is restart your phone as you move from one country to another. The sim card will automatically connect to a local carrier. Should you run into any issues, with network connections as you move from one country to another we encourage you to contact us immediately at support@simcorner.com
Order your travel SIM online and select the delivery method that best suits your travel date. SimCorner delivers to many countries across the world and has dispatch locations in Australia, Canada, New Zealand and United Kingdom. Receive your SIM in the mail prior to departing for your trip. Insert your SIM card in your phone as soon as you land and stay connected.
Make sure that your device is unlocked before you depart for your trip. Please note: Being on a post-paid plan or contract with your local carrier doesn't mean your phone is locked. If you are unsure, please check with your current service provider.
20GB Data 31 Days of service from activation No restrictions to any websites or Social media apps such as Facebook, Whatsapp, Instagram, Google Maps, messaging apps etc. VPN not required when using Mobile Data.
To check your data balance/allowance you simply need to dial *111*6# then press Call (star, one, one, one, star, six, hash then press Call). If you receive any text messages noting that you have zero credit balance then you can ignore as it does not relate to your data balance.
Yes, you are able to hotspot/tether from your phone to another phone or device.
You simply need to have both MOBILE DATA and DATA ROAMING functions ENABLED/TURNED ON in your device to use the service. The sim card activates as soon as you insert the sim card in your device. It is on this date that your 10 days of service will commence.
The sim card will connect to
If you are travelling for longer than 31 days, please purchase multiple sims accordingly. For example, if you are travelling for 25 days then purchase 2 of these sims and swap them over at the end of the 31 day period
Should you run into any issues with the sim card whilst overseas then we encourage you to email us immediately at support@simcorner.com and let us know the following information; Your order number or the name that the order is under along with the sim card number. Which country you are in currently and whether the sim card connects to any network, if so, which network? Did you receive any SMS after you inserted the sim card? If so, please send us a screenshot of that message. Message us screenshots of any error message you are getting. What phone model you are using? Any other information about the issue, which will assist us in helping you resolve the issue. 
This sim card is a Data-ONLY sim, hence, the sim card does not allow you to make direct calls and send SMS. However, you are still able to make calls and send messages via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype, iMessage etc. You are also able to add credit to your Viber or Skype account, which will allow you to make local and international phone calls directly to landlines and mobiles.
Yes, if you purchase 2 sim cards then you will be able to contact each other via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype etc. 
We have a 100% Money Back Guarantee policy, which means that if you have a bad experience with one of our sim card and receive no value from it, we will provide you a refund. However, you MUST contact us whilst you are having the issue, so our team can assist you in resolving your problems. Please do this when you are in WiFi (generally at the airport when you land if not working to begin with) or e-mail us from your accommodations (WiFi) or cafe etc. If you only decide to contact us after you return to let us know the sim didn't work then we can't look to provide a refund as we won't be able to see exactly what the issue was and why it didn't work. Should you run into any issues whilst using the sim card, please immediately contact us at support@simcorner.com Should our team be unable to assist you in resolving your issue, then we will provide you a refund on your purchase.
Yes, you will have access to all your apps, messages, contacts and emails whilst using this sim card. Nothing on your phone is deleted or changed and you can continue to use your phone as per normal. The only change with using this sim card is that you will have a new phone number. 

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South Korea Data SIM Card (31 Day - 20GB) – Stay Connected on Your Trip! 

Traveling to South Korea? Don’t worry about staying online! Our South Korea Data SIM Card (31 Day - 20GB) gives you fast, reliable internet for 15 days with no restrictions. Perfect for tourists, business travelers, and digital nomads who need a travel data SIM for South Korea.

Why Choose This South Korea SIM Card?

With 20GB of high-speed 4G/5G data, you can browse, stream, and navigate without slow connections. No need for a VPN—access all your favorite apps like Facebook, WhatsApp, Instagram, Google Maps, and more without blocks.

Key Features of This South Korea Data SIM:

✔ 20GB Data – Plenty for maps, social media, and light streaming
✔ 31-Day Validity – Starts when you activate the SIM
✔ 4G/5G Speeds – Fast internet across South Korea
✔ Hotspot/Tethering – Share data with other devices
✔ No Calls or Texts – Data-only SIM for internet use
✔ Works in Unlocked Phones, Tablets, and Mifi Devices – Check compatibility before buying

No Restrictions – Browse Freely!

Unlike some SIM cards, this South Korea data SIM doesn’t block websites. Use Facebook, YouTube, Netflix, and messaging apps without slowdowns. No VPN needed—just pure, fast internet.

Compatible Devices

Works in most unlocked phones, iPads, tablets, and portable Wi-Fi devices. Not sure if your phone is compatible? Check the "Compatibility" section before buying.

Get Your South Korea SIM Card Before You Travel!

Avoid expensive roaming charges and unreliable airport SIMs. Order your South Korea Data SIM Card (31 Day - 20GB) before your trip and arrive ready to explore!

Perfect for Short Trips – Reliable & Affordable!

Whether you're visiting for business or fun, this 31-day South Korea SIM keeps you online without hassle. Buy now and travel stress-free!

Included Features Summary:

  • Country Coverage: South Korea
  • Data: 20GB
  • Data Speed:
  • Calls: Not Included
  • Texts: Not Included
  • Phone Number: Not Included
  • Hotspot/Tethering: Yes
  • Validity: 31 Days service from activation
  • Device Compatibility: Can be used with unlocked mobile phones, Apple iPads, tablets, dongles, and MiFi devices. For compatibility details, please see the "Compatibility" section in "Things to know" section
  • When to install: Upon arrival at your destination
  • Activation: Please see "How to activate this SIM card" in the "Things to know" section
  • No restrictions to any websites or Social media apps such as Facebook, Whatsapp, Instagram, Google Maps, messaging apps etc. VPN not required when using Mobile Data.
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