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Planning a trip to South Korea? Staying connected is essential, whether you’re navigating Seoul’s bustling streets or exploring serene Buddhist temples. With over 17.5 million travelers visiting annually, finding a reliable and affordable way to stay online is more important than ever. That’s where eSIMs come in—offering convenience and flexibility without the hassle of physical SIM cards.

Choosing the best eSIM for Korea can be tricky with so many options available. From seamless switching between local carriers to affordable data plans, eSIMs provide a modern solution for travelers. Some providers even offer 4GB of data for as low as $10, making them a cost-effective choice for staying connected.

In this guide, I’ll help you navigate the top eSIM options for South Korea, ensuring you enjoy uninterrupted connectivity on your adventure. Whether you’re streaming K-dramas or sharing travel moments, the right eSIM will keep you online effortlessly.

Best eSIM Plans for Korea

When searching for the Best eSIM for Korea, travelers should consider factors like network coverage, plan duration, and cost. With a variety of options available, picking the right eSIM ensures seamless connectivity during your trip.

Popular eSIM Options for Travelers

Several popular eSIM plans cater to both short-term stays and extended trips in South Korea. For instance, you can choose plans with durations ranging from one day to up to a full year depending on your needs. These plans often provide coverage on advanced networks like 4G LTE and 5G for a reliable internet experience.

Some of the most convenient eSIMs offer prepaid plans, including taxes, to avoid unexpected costs. As an example, a 7 or 30-day plan might be perfect for those who need high-speed data. For long-term travel, 90-day or even 365-day plans provide better value. Ensure your device is eSIM-compatible before purchasing to avoid installation issues. Most providers make activation simple through QR codes or app-based setups.

Features to Look for in a Korea eSIM Plan

When choosing the Best eSIM for Korea, consider these essential features to maximize value and convenience:

• Plan Duration: Options like 7-day, 30-day, or 90-day plans let you select the duration that fits your trip. Extended plans are ideal for those planning to stay longer.
• Network Coverage: Plans that support 5G or 4G LTE ensure faster and more reliable internet. Coverage may vary by location, so confirm the details beforehand.
• Pricing: Competitive pricing is crucial. Some eSIM plans start as low as $4.49, while others may include features like global connectivity.
• Data Limits and Calls: Check if the eSIM offers unlimited data or supports voice and text services, depending on your needs.
• Ease of Activation: Most eSIMs enable quick setup via email QR codes or app-based direct installation.

By paying attention to these features, finding the Best eSIM for Korea becomes simpler, offering you uninterrupted internet access and helping you fully enjoy your trip.

Benefits of Using an eSIM in Korea

Using an eSIM while traveling in South Korea offers significant advantages for staying connected seamlessly. After exploring options, I’ve found several key benefits that highlight why choosing the Best eSIM for Korea is essential for any traveler.

Convenience and Instant Activation

One of the most remarkable features of an eSIM is its convenience. There’s no need to hunt for local SIM cards or go through tedious activation processes. With an eSIM, you simply download a digital profile directly onto your device, saving valuable time. This option is especially helpful when you land in South Korea and want immediate access to the internet for navigation or contacting loved ones. From bustling markets in Seoul to serene countryside trails, having internet access the moment you arrive makes travel hassle-free.

Flexible Pricing and Plan Options

Another reason eSIMs stand out is the flexibility they offer in pricing and plans. Whether you’re staying for a few days or several weeks, eSIMs provide customizable options to suit your data needs. Many providers offer daily, weekly, or monthly plans, allowing you to control costs without sacrificing connectivity. Some plans even include generous or unlimited data options, perfect for those who frequently upload photos or videos. This flexibility ensures that you’re not locked into an expensive long-term commitment, which is why I believe the Best eSIM for Korea is one that adapts to varying travel durations and budgets.

Compatibility with Modern Devices

eSIMs are designed for modern smartphones, which means they seamlessly integrate into most top-tier devices like iPhones and Androids. If your device supports eSIM technology, you won’t need to carry a separate physical SIM or risk losing it during your trip. I’ve noticed that the Best eSIM for Korea often prioritizes compatibility with the latest smartphones, including the iPhone series and other premium models. Always check that your specific device is eSIM-compatible before your trip to ensure a smooth experience.

By providing easy activation, flexible plans, and compatibility with advanced phones, eSIMs simplify connectivity for travelers seeking reliable internet in South Korea.

How to Set Up and Activate an eSIM in Korea

Setting up an eSIM in Korea is an easy and straightforward process. If you’ve picked the best eSIM for Korea, follow these steps to get connected quickly and enjoy seamless internet access.

Purchasing the Best eSIM for Your Needs

To start, you’ll need to identify and purchase the eSIM plan that fits your travel requirements. I recommend browsing offers that provide good network coverage, flexible durations, and competitive pricing. For instance, a prepaid plan is ideal for staying in control of your data usage. Look for plans offering high-speed 4G LTE or 5G networks, and if you require features like unlimited data or a local phone number, prioritize these while choosing. Once you’ve selected the best eSIM for Korea, you can purchase it through the provider’s website or a dedicated eSIM app.

Steps to Install and Activate

1. Ensure Compatibility: Before proceeding, confirm that your smartphone supports eSIM technology. Most modern devices, including iPhones, are compatible with eSIM features.
2. Receive the QR Code: After your purchase, you’ll receive an email containing a QR code and detailed instructions.
3. Access Phone Settings: Go to your phone’s “Mobile Data” or “Cellular” settings and select the option to add a new cellular plan.
4. Scan the QR Code: Use your device to scan the provided QR code. This will automatically download the eSIM profile to your phone.
5. Activate the Plan: Once the eSIM profile is installed, follow the activation steps provided by your eSIM provider to start using your data plan instantly.

This entire setup process can usually be completed in just a few minutes, letting you connect to high-speed internet as soon as you reach South Korea.

Troubleshooting Common Issues

Occasionally, you may run into minor issues while installing or activating your eSIM. If your phone doesn’t recognize the QR code, double-check the compatibility of both your device and the specific eSIM plan. Restart your smartphone after installation to ensure the settings are applied correctly. For users experiencing connectivity issues, connecting to a different network manually can help resolve the problem. If all else fails, contacting the eSIM provider’s customer service team is often the quickest solution, and they can guide you step-by-step.

Choosing the best eSIM for Korea not only ensures smooth installation but also enhances your overall travel experience by keeping you connected at all times.

What to consider when comparing eSIM options for South Korea ?

When selecting the best eSIM for Korea, there are several critical factors to weigh to ensure seamless connectivity and an optimal user experience while traveling. From device compatibility to plan features, each aspect plays a vital role in determining which eSIM option is the most suitable for your needs.

If your device eSIM compatible?

Before anything else, it’s essential to confirm whether your device supports eSIM technology. Not all smartphones or devices are compatible with eSIMs, so check your phone’s settings or consult the manufacturer’s website. For instance, newer devices like some versions of the iPhone and other flagship smartphones typically include eSIM functionality. Ensuring compatibility saves time and eliminates the hassle of purchasing physical SIM cards.

Network Coverage and Speed

Network coverage is a key consideration when looking for the best eSIM for Korea. Major cities like Seoul and Busan offer excellent connectivity, often with 5G speeds. However, if you’re traveling to rural or remote areas, ensure that the eSIM provider partners with strong local networks for reliable coverage. For instance, providers that work with KT and SK Telecom are known for their high-speed 5G networks and extensive reach across South Korea.

MVNO vs. Local Network eSIM Plans

You’ll need to decide whether to purchase your eSIM plan from an MVNO (Mobile Virtual Network Operator) or directly from a local South Korean network provider. MVNOs often offer affordable and flexible plans, ideal for short-term stays, while local network providers tend to provide more robust coverage and additional features. Your choice depends on balancing cost, reliability, and the duration of your trip.

What is the best mobile network in South Korea?

In terms of performance, SK Telecom is frequently regarded as the top network in South Korea, boasting the fastest 5G download speeds at 469.6 Mbps and excellent 5G upload speeds. KT, another strong contender, is renowned for its widespread coverage, including rural areas. For travelers seeking the best eSIM for Korea, ensuring your chosen provider has partnerships with these networks significantly enhances your experience.

Plan Features and Limitations

Consider the specific features of each eSIM plan to find one that matches your needs. Some travelers prefer data-only plans, while others might look for a South Korea eSIM with a phone number for making calls and sending SMS. Additionally, pay attention to limitations such as data caps and whether the plan includes top-up options if you run out of data during your trip.

Price and Flexibility

Cost is a significant factor, especially for budget-conscious travelers. eSIM plans in South Korea are generally affordable, with some providers offering up to 4GB of data for $10. However, pay attention to hidden fees, such as activation charges or roaming costs. Flexible plans, like pay-as-you-go options or packages that combine data with additional features, are often the best value for short-term travel.

Activation and Installation

Using an eSIM in South Korea should be a straightforward process. Most providers send a QR code upon purchase, which you can scan to activate the plan. The entire installation process typically takes just a few minutes and involves turning on the eSIM in your phone settings and enabling roaming once you arrive in South Korea. This eliminates the need for visiting physical stores or dealing with physical SIM cards.

Long-Term Stays

For travelers staying in South Korea for extended periods, selecting a plan with a longer validity period or easy top-up features is crucial. Look for providers offering one-year plans or monthly subscription options with generous data limits. A long-term eSIM plan tied to strong local networks ensures reliable connectivity throughout your stay. If you’re also traveling to nearby countries like Japan, opting for an eSIM with regional coverage could save both time and money.

The best eSIMs for South Korea – detailed list

Choosing the Best eSIM for Korea is essential for a smooth and connected travel experience. To help you decide, I have compiled a detailed list of top-rated eSIM providers based on their coverage, pricing, ease of activation, and additional features.

1. Saily – best South Korea eSIM in 2025

Saily stands out as the best option for South Korea, offering flexible data plans and reliable network coverage throughout the country. This eSIM supports 3G, 4G, and 5G networks for excellent speeds. A key feature is its competitive pricing, starting at $4.49 for 1GB valid for seven days, making it an affordable option for short trips.

The setup process is seamless, with activation occurring immediately after connecting to a supported network. Although Saily doesn’t yet offer regional plans for countries like Korea and Japan together, it provides local plans in over 190 countries, making it ideal for diverse travel needs.

2. Airalo – popular eSIM for South Korea

Airalo impresses with its unlimited data options tailored for travelers looking to stay online without limits. Local plans include unlimited data for either 10 days at $32.00 or 30 days at $62.00. While the high-speed data is capped at 3GB daily, speeds reset every 24 hours, ensuring consistent use.

Airalo connects through LG U networks in South Korea, ensuring stable and fast LTE access. Activation is simple via the Airalo app or a QR code, and customer support is available 24/7, making this eSIM a hassle-free option.

3. Nomad – user-friendly eSIM for South Korea with wide coverage

Nomad excels in usability with an intuitive process for purchasing and activating its plans. It supports 3G, 4G, and 5G networks for reliable coverage across South Korea. Starting at $5 for 1GB lasting seven days, Nomad offers budget-friendly pricing.

While Nomad doesn’t include calling or texting services, its robust data plans cater to travelers wanting straightforward connectivity. This makes it an excellent choice for casual travelers prioritizing affordability and coverage.

4. JetPac – fantastic eSIM for traveling in South Korea

JetPac is another strong contender for the Best eSIM for Korea, with customizable plans suited to both short-term visitors and long-term stays. It uses advanced network technology to deliver consistent speeds and excellent nationwide coverage.

JetPac is particularly notable for offering flexible top-up options, making it convenient for extended travelers who may need additional data during their trip.

5. Holafly – South Korea eSIM with customizable plan duration

For travelers needing a tailored option, Holafly provides fully customizable plan durations. This is ideal for those staying in South Korea for an unconventional length of time. Holafly’s data plans offer reliable speeds with support for both LTE and 5G networks.

Setup is straightforward, and Holafly emphasizes customer satisfaction by including multilingual customer service to guide users through the process.

6. GigSky – flexible eSIM for South Korea

GigSky is best known for delivering great flexibility in its plans. Whether you need a minimal data plan for a brief trip or a more extensive package for prolonged stays, GigSky has you covered.

The provider ensures compatibility with a wide variety of devices, including iPhones, making it a good choice if you’re searching for the best eSIM for Korea iPhone users. GigSky’s adaptive payment options further enhance its appeal for budget-conscious travelers.

7. aloSIM – best South Korea eSIM for calling and texting

aloSIM is a rare find as an eSIM provider that offers plans with calling and texting features, coupled with reliable data services. While this option is best suited if having a local number is essential, the eSIM also performs well with consistent speeds on LTE and 5G networks in South Korea.

Locals and international tourists alike can benefit from the simple activation process which caters to all tech proficiency levels, making aloSIM a flexible choice.

8. Instabridge – fast and affordable eSIM service for South Korea

Instabridge is perfect for budget travelers looking for rapid, reliable internet. Starting at just $2.50 for 1GB valid for seven days, it combines affordability with functionality. While the plans are limited in duration and data amount, they are ideal for short trips.

This eSIM focuses purely on fast connections and seamless activation, ensuring you stay connected without the stress of complex installations.

This curated list ensures you have the top choices to pick from when searching for the Best eSIM for Korea.

Pros and Cons of Using an eSIM in Korea

When traveling to South Korea, using an eSIM comes with its share of benefits and potential challenges. Understanding both sides can help you decide if it’s the right choice for you and ensure you pick the Best eSIM for Korea that fits your travel needs.

Advantages of eSIM Technology

1. Convenience and Instant Activation

One of the most significant advantages of eSIMs is the ease of activation. Unlike traditional SIM cards, you can activate an eSIM instantly through a QR code or an app before even landing in South Korea. This eliminates the hassle of finding a physical SIM card vendor after your arrival.

1. Flexibility with Prepaid Plans

eSIM plans for Korea often offer flexible prepaid options that include data for a specific duration, avoiding unexpected roaming charges. Many plans also integrate taxes upfront, offering clear pricing.

1. Compatibility with Modern Devices

Most modern smartphones, including popular iPhones and Android models, now support eSIM technology. If you’re looking for the Best eSIM for Korea, rest assured that these solutions are designed to work seamlessly with the latest devices.

1. Access to Advanced Networks

Many eSIM providers offer access to South Korea’s world-class 4G LTE or 5G networks. This ensures blazing-fast speeds, allowing you to stream, navigate maps, or share moments on social media without any lags.

1. No Physical SIM Card Hassles

Since eSIMs are embedded within your phone, you won’t have to worry about losing or damaging a traditional SIM card during your trip.

1. Travel Beyond Borders

For those planning to visit additional destinations like Japan, some eSIM providers offer regional plans that work across multiple countries. This makes selecting the Best eSIM for Korea an excellent choice for multi-country trips.

Possible Limitations or Challenges

1. Device Compatibility Issues

While most new smartphones support eSIM technology, travelers with older devices may face compatibility issues. It’s essential to check if your phone is eSIM-compatible before purchasing one.

1. Limited Provider Options for Local Numbers

Many eSIMs focus solely on data plans. If obtaining a South Korea eSIM with a phone number is vital for making local calls or receiving SMS messages, your options may be limited.

1. Data Plan Restrictions

While some eSIM providers offer unlimited data, others may have strict data caps. For heavy users, selecting the Best eSIM for Korea requires close attention to the included data limits to avoid running out of internet during your trip.

1. No Physical SIM Backup

Unlike traditional SIM cards, eSIMs don’t provide a physical backup. If there’s an issue with the eSIM or a network outage, it might take longer to troubleshoot and restore connectivity.

1. Complexity for Less Tech-Savvy Users

Although straightforward for tech enthusiasts, activating an eSIM might feel complex for individuals unfamiliar with scanning QR codes or using mobile apps for setup.

1. Higher Prices for Some Providers

Certain eSIM plans can be pricier than buying a local SIM card, especially if you’re focusing on short-term usage. It’s critical to compare different providers to ensure you’re getting value for money when choosing the Best eSIM for Korea.

Does my phone support eSIM?

Before choosing the best eSIM for Korea, it’s essential to ensure that your phone is compatible with eSIM technology to avoid any issues upon activation. Not all devices work with eSIMs, and compatibility can vary based on the phone’s model and manufacturing year. Let’s explore compatibility details for iPhone and Android phones below.

eSIM compatibility on iPhone

For iPhone users, Apple has supported eSIM technology since 2018. If you own an iPhone XR, XS, XS Max, or any newer model like the iPhone 11 series, SE (2nd generation), iPhone 12, iPhone 13, or later, your device is likely eSIM-compatible. This includes the newest iPhone 15 series. To double-check, you can access your phone’s Cellular Settings and verify if the option to add an eSIM is available.

However, if you are still using older devices, such as the iPhone 8 or earlier, those models do not support eSIMs. In this case, upgrading to a compatible device may be necessary if you want to take full advantage of digital SIM solutions like the best eSIM for Korea.

eSIM compatibility on Android phone

Compatibility for Android phones varies by manufacturer and model. Many high-end and mid-range Android phones, particularly those released in 2018 or later, support eSIM technology. For instance, Google Pixel devices starting from the Pixel 3 and Samsung Galaxy models like the Galaxy S20, S21, and above work with eSIMs. You can usually activate an eSIM through the Network or Connections menu in your Android phone’s Settings.

For travelers planning to purchase the best eSIM for Korea, I recommend verifying your Android phone’s specifications or contacting your eSIM provider if unsure. Keep in mind that unlike physical SIM cards, transferring an eSIM to another phone involves reinstallation and activation, so it’s worth confirming support before your trip.

Ensuring phone compatibility is critical to enjoying a seamless travel experience and making the most of your eSIM while exploring South Korea.

Where to buy a prepaid eSIM card for South Korea?

Purchasing a prepaid eSIM for South Korea is a simple and straightforward process that can be done entirely online. Based on my experience, eSIMs are available through various providers’ websites or mobile apps, making it easy to find a plan that suits your needs. If you are searching for the Best eSIM for Korea, here’s how and where you can buy one:

1. Online from eSIM Providers

Most eSIM providers operate through user-friendly websites and apps. You can browse different plans, compare their features, and select the one that works best for you. Options often include various data bundles, ranging from 1 GB for light usage to larger packages or even unlimited data plans for internet-heavy travelers. After purchasing, a QR code is typically emailed to you for activation, ensuring a smooth experience.

2. Mobile App Installations

Many providers focus on app-based setups, allowing you to not only buy your eSIM but also manage your plan instantly. Providers like Nomad and others use apps where you can directly set up your eSIM plan. For example, I found that downloading the app a day before your trip can save time and make activation seamless upon arrival in South Korea.

3. Before Traveling

I recommend purchasing your eSIM before your trip to avoid connectivity issues. This way, you can install and confirm compatibility with your device ahead of time. Be sure to set up the eSIM just one day prior to avoid the plan expiring before your travel ends. Look for prepaid plans covering South Korea, especially those offering 4G LTE or 5G networks for high-speed internet.

4. Payment Options

When buying a prepaid eSIM, most providers offer multiple payment methods, including credit cards, PayPal, and even services like Apple Pay. This flexibility ensures you can quickly finalize your purchase without hassle. Just make sure your device is eSIM-compatible before proceeding with the purchase.

5. Tips to Select the Best eSIM for Korea

• Look for plans offering coverage across South Korea with reliable performance in cities like Seoul, Busan, and Jeju.
• Choose a prepaid eSIM option to avoid unexpected post-travel bills.
• If you need extended connectivity, consider providers offering unlimited data plans or multiple validity durations.

Buying the right prepaid eSIM for your trip will not only save you time but also allow you to enjoy uninterrupted internet access. This makes it a great solution for both tourists and business travelers looking to stay connected while exploring South Korea.

When to order/activate an eSIM card for South Korea?

Timing your eSIM order and activation is essential to ensure seamless connectivity during your trip. I recommend ordering your eSIM a day or two before your departure. This allows you to prepare in advance without activating it too early, which could lead to the plan expiring before your trip ends. Most plans start counting the validity period from the moment they are activated, so careful timing can prevent unexpected issues.

If you’re looking for the Best eSIM for Korea, choose one that lets you activate the plan only when you need it. For example, some prepaid eSIM providers allow you to purchase the eSIM immediately but activate it later, ensuring flexibility. This is particularly useful if you need to maintain internet access during long trips or plan to order the eSIM days in advance.

To install the eSIM, you’ll need an internet connection, so it’s wise to complete the installation while you still have network access—at home, or at the airport with Wi-Fi. For activation, simply follow the steps outlined by your provider. Once you land in South Korea, connect to the local network, and your device should automatically establish internet access. This setup is quick and easy, making it ideal for all travelers relying on the best eSIM for Korea.

Additionally, if you plan to extend your stay or require more data during your trip, many eSIM providers offer add-on plans. Purchase these add-ons before your current plan expires to enjoy uninterrupted internet service throughout South Korea. Being prepared by choosing the right eSIM and activating it at the right time ensures you stay connected for exploring, streaming, and sharing your travel moments.

Things to know about using an eSIM card in South Korea

When it comes to staying connected in South Korea, using an eSIM offers unmatched convenience and flexibility. However, there are a few essential factors to understand before choosing the best eSIM for Korea for your trip.

Ensure Your Phone is Unlocked

Before using an eSIM, make sure your phone is unlocked. Locked phones are tied to specific mobile carriers and won’t support eSIMs from other providers. Contact your carrier to confirm the unlock status of your device and avoid any compatibility problems.

Check Device Compatibility

Not all smartphones are compatible with eSIM technology. While most modern devices, such as newer iPhone models and recent flagship Android phones, support eSIM, it’s important to double-check your device’s specifications. For example, if you’re searching for the best eSIM for Korea iPhone, ensure your iPhone model is from 2018 or later.

Data Plans and Calling Options

Many eSIM plans for South Korea focus exclusively on data and do not include specific calling or SMS features. Some providers may offer a South Korea eSIM with phone number functionality, but these numbers are typically limited to receiving calls and texts. For voice calls, apps like WhatsApp or Skype are excellent alternatives.

Activation Timelines Matter

Activation timing varies between eSIM providers. Certain providers activate the plan upon installation, while others start only when you connect to a supported network in South Korea. Make sure to carefully review the activation terms when selecting your eSIM. This small detail can make a big difference in how your data allowance is utilized during your trip.

Make Use of Instant and Hassle-Free Setup

One of the reasons why eSIMs are considered the best eSIM for Korea is their ease of setup. Purchase a prepaid eSIM online, scan a QR code to activate it, and your data plan will be ready to use as soon as you arrive in South Korea. With no retail stores or physical cards required, this process eliminates unnecessary delays and allows you to explore the country with reliable connectivity.

Enjoy Advanced Network Speeds

South Korea is known for its cutting-edge network infrastructure, including extensive 4G LTE and 5G availability. eSIMs allow travelers to take advantage of these advanced speeds, ensuring seamless browsing, streaming, and navigation throughout the trip. Remember, coverage quality will depend on the local network providers that your eSIM partners with.

By keeping these considerations in mind, you can confidently choose the best eSIM for Korea, helping you maintain uninterrupted internet access while enjoying all the wonders South Korea has to offer.

How to make calls with an eSIM in South Korea

Making calls using an eSIM in South Korea depends on the specific features offered by your chosen plan. Most eSIM providers prioritize data services, but there are options available for calling or using alternatives to stay connected efficiently.

Select an eSIM with Calling Options

While some eSIM plans in South Korea focus solely on data, a few provide the capability to make calls and send SMS. For example, aloSIM supports local phone numbers for communication, making it a suitable choice for travelers who need to stay in touch without relying solely on internet-based apps. If making calls is crucial during your trip, you should ensure the chosen plan provides these features when researching the Best eSIM for Korea.

Pair Your eSIM with a Physical SIM

If your eSIM plan is data-only, you can keep your physical SIM card for making calls. This setup allows you to use your domestic SIM for voice calls while reserving the eSIM for affordable internet access. However, this approach might result in higher charges for international calls.

Use VoIP Apps for Calling

For a cost-effective alternative, Voice over Internet Protocol (VoIP) apps such as WhatsApp, Google Voice, or FaceTime are ideal for internet-based calls. These apps use the data provided by your eSIM to make calls seamlessly, avoiding traditional cellular network charges. This option is particularly helpful if you’ve opted for a data-heavy eSIM plan to access essential services.

By carefully choosing a plan and provider that aligns with your communication needs, you can ensure a seamless calling experience while exploring South Korea.

Final Verdict

Choosing the right eSIM for South Korea can make a world of difference in staying connected and enjoying a hassle-free travel experience. With so many options available, it’s important to focus on factors like coverage, pricing, and ease of activation to find a plan that suits your needs.

Whether you’re exploring vibrant cities or remote countryside, a reliable eSIM ensures seamless internet access for navigation, sharing moments, and staying in touch. By planning ahead and selecting a trusted provider, you can fully embrace the convenience and flexibility that eSIM technology offers during your trip to Korea.