Japan & South Korea eSIM
Touch down in Japan & South Korea, open Maps, send the Story, your eSIM was online before passport control.
- 4G
- Instant Activation
- 30-day refund
About Japan & South Korea eSIM
Uninterrupted Connectivity: Your Japan & South Korea eSIM
Embark on an unforgettable journey through the vibrant landscapes of Japan and South Korea with the Truly Roaming Japan & South Korea eSIM. This comprehensive bundle provides seamless, high-speed mobile data, ensuring you stay connected from the moment you land. Whether you're navigating the bustling streets of Tokyo, exploring the ancient temples of Kyoto, or experiencing the dynamic culture of Seoul and the coastal charm of Busan, our eSIM keeps you online. Connect to leading local networks like NTT Docomo and SoftBank in Japan, and SK Telecom and KT in South Korea, guaranteeing reliable coverage wherever your adventures take you.
Our Japan & South Korea eSIM is your essential travel companion for a truly stress-free trip. Use it to effortlessly access Google Maps for directions, hail a ride with local apps like Kakao T or JapanTaxi, translate menus and conversations instantly, and share your incredible experiences with friends and family back home. Stay reachable for important calls and messages without the worry of expensive international roaming fees. The instant QR code setup means you can activate your eSIM in just minutes, even before you depart, ensuring you have internet access from the second your plane touches down. Say goodbye to hunting for local SIM cards or relying on unreliable public Wi-Fi – with Truly Roaming, you get hassle-free, secure, and always-on connectivity.
eSIM ready in 60 seconds
Step-by-step guide for iPhone, Samsung, Google Pixel, anywhere on Earth.
- 60sAverage activation
- 50K+eSIMs activated
- 200+Countries covered
No SIM card needed. Activate before you board.
Before You Travel: Everything About eSIM
a seamless communication experience, the 6 critical points you need to know.
Discover the benefits of next-generation eSIM technology for uninterrupted, worry-free travel with no surprise bills.
Data Only
Our plans are data-first. Traditional GSM calls aren't included, but you can make voice and video calls freely via WhatsApp, FaceTime or Skype.
Your WhatsApp Number Stays
Your contacts stay intact. While abroad, keep using your existing WhatsApp number to stay in touch with family and friends.
Hotspot Sharing
Turn your phone into a modem. Share your internet with your tablet, laptop or nearby friends through Personal Hotspot.
From
TYO
Tokyo
To
DPS
Bali
ACTIVE PLAN
Japan & South Korea Trip
12GB
Data remaining
Data roaming on
Active · Auto
Plan duration
5 days left
Device Compatibility
Before purchase, make sure your phone is carrier-unlocked (Simlock-free) and supports eSIM. Most modern smartphones do.
Right Timing
Install your eSIM profile calmly on home Wi-Fi. It only activates when you arrive and connect to a network, so you don't waste any days.
24/7 Expert Support
Need help with setup or usage? Our expert team is available 7 days a week over live chat to answer your questions.
Best eSIM for Japan & South Korea in 2026
Looking for the best eSIM for Japan & South Korea? Truly Roaming is a top pick for travelers thanks to transparent pricing, fast 4G/5G coverage, and instant activation. Plans start from $3.31 for Japan & South Korea eSIM data. Compare features below and see why Truly Roaming consistently ranks among the best value eSIM options for international travelers.
- Transparent prices — no account needed
- eSIM Access & eSIM Go premium backbone
- 24/7 multilingual support
Frequently Asked Questions
Most flagship smartphones released since late 2018 or early 2019 are fully compatible with EastESIM technology, making your travel connectivity seamless. This includes popular models like the iPhone XS and all newer iPhones, Google Pixel 3 and subsequent Pixel models, and the Samsung Galaxy S20 series and its successors. Beyond phones, an increasing number of tablets and smartwatches also support eSIM. The quickest way to confirm compatibility for your specific device is to check its settings under 'Mobile Data' or 'SIM Card Manager,' or consult your device manufacturer's official website.
Almost every flagship smartphone model released since 2019 is equipped with eSIM capability, making it an ideal solution for international travel with EastESIM. This includes a wide range of devices such as the iPhone XS, iPhone 11, iPhone 12, iPhone 13, iPhone 14, and iPhone 15 series, as well as the Google Pixel 3, Pixel 4, Pixel 5, Pixel 6, Pixel 7, and Pixel 8 series. Many Samsung Galaxy S20, S21, S22, S23, and S24 models also support eSIM, along with a growing list of mid-range and other brand devices. This widespread compatibility ensures a smooth connection to our Asian networks.
No. An eSIM can be installed only once, and it locks to the first device it is installed on. It cannot be moved to another phone, re-scanned, or reinstalled afterward, and it is non-refundable once installed. Please install your eSIM on the device you plan to keep using. If you are switching devices and need help, contact our support team.
Most newer phones are, but to be completely sure before you buy, please check our definitive list here: eSIM Compatible Devices.