Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB 7Days · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea LG Uplus 5G SKTelecom 5G
Traveller reviews
Wei R.
Switzerland · Aug 2025
Did the job without any drama in Japan & South Korea. Setup instructions in the app were clear and simple. Zero regrets.
Tom
GotoeSIM Support
· 10 months ago Really appreciate this, Wei! Delighted the speeds worked well for you. — Tom, GotoeSIM Support
Sofia T.
Saudi Arabia · Aug 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Customer support answered my question quickly. Made staying connected effortless.
Tom
GotoeSIM Support
· 10 months ago Thank you for the kind words, Sofia! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Tom, GotoeSIM Support
Hana D.
Malaysia · Aug 2025
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 10 months ago Thanks for sharing, Hana! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Ingrid, GotoeSIM Support
Zoe W.
Mexico · Aug 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing.
Grace
GotoeSIM Support
· 11 months ago Thanks a lot, Zoe! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Grace
Lucia G.
Netherlands · Aug 2025
Install took me two tries but was fine after that.
Sara
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Lucia. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. – Sara, GotoeSIM Support
Sophia K.
Ireland · Aug 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. A must-have for international travel.
Sophie
GotoeSIM Support
· 11 months ago Thanks a lot, Sophia! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Sophie, GotoeSIM Support
Yuki G.
Saudi Arabia · Aug 2025
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas. Will use GotoeSIM for my next trip for sure.
Tom
GotoeSIM Support
· 11 months ago Thanks for sharing, Yuki! Wonderful to hear it worked smoothly in Japan & South Korea. — Tom, GotoeSIM Support
Thomas R.
Netherlands · Aug 2025
Saved me a fortune on my holiday in Japan & South Korea. Coverage was strong even outside the city. Zero regrets.
Mark
GotoeSIM Support
· 11 months ago Really appreciate this, Thomas! Wonderful to hear it worked smoothly in Japan & South Korea. — Mark
Yuki R.
Spain · Aug 2025
Saved me a fortune on my holiday. Coverage was strong even outside the city. Made staying connected effortless.
Mark
GotoeSIM Support
· 11 months ago Thanks for sharing, Yuki! Great to know the setup was quick and easy. We're here whenever you travel again. – Mark 💜
Olivia D.
Portugal · Aug 2025
Used this on my trip and it worked perfectly in Japan & South Korea. The QR code arrived instantly by email. Five stars from me.
Grace
GotoeSIM Support
· 11 months ago Thanks a lot, Olivia! Great to know the setup was quick and easy. Enjoy your journeys! — Grace
Mei B.
United States · Aug 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 11 months ago Really appreciate this, Mei! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Mark, GotoeSIM Support
Elena V.
Saudi Arabia · Aug 2025
Saved me a fortune on my holiday in Japan & South Korea. The QR code arrived instantly by email. Made staying connected effortless.
Sophie
GotoeSIM Support
· 11 months ago Thanks for sharing, Elena! So pleased it saved you from roaming bills. Enjoy your journeys! — Sophie
Camila M.
Singapore · Aug 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 11 months ago Thank you so much, Camila! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Diego, GotoeSIM Support
Sven K.
Egypt · Aug 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Zero regrets.
Priya
GotoeSIM Support
· 11 months ago Cheers, Sven! Thrilled it made staying connected effortless. — Priya
Viktor T.
Malaysia · Aug 2025
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. A must-have for international travel.
Ingrid
GotoeSIM Support
· 11 months ago Really appreciate this, Viktor! Love that you were online the moment you landed in Japan & South Korea. – Ingrid, GotoeSIM Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB 7Days plan costs $2.03 for 1 GB over 7 days, paid once with no hidden fees.
How do I activate my Japan & South Korea eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Japan & South Korea.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan & South Korea.
Comments & questions
Carlos P. · 2 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Carlos, you can top up the same eSIM anytime — no need to buy a new one. — Sara, GotoeSIM Support
Hana V. · 4 months ago
Is 5G supported or just 4G?
Yes Hana, 5G is supported where the local network offers it, otherwise fast 4G. – Laura, GotoeSIM Support
Aisha N. · 5 months ago
Is roaming charged extra or is it all included?
No surprise fees, Aisha! Roaming is part of the plan and never billed separately. — Mark
Louis G. · 5 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Louis — within seconds of payment, by email and in your account. – Grace, GotoeSIM Support
Wei L. · 5 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Wei — it switches on when you land. — Priya
Priya R. · 8 months ago
Can I use it in nearby countries too?
For nearby countries, Priya, a regional plan may suit you better — happy to help you pick. — Ken, GotoeSIM Support
Lucia P. · 9 months ago
Does this work on an iPhone 13?
Yes Lucia, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. – Omar 💜
Lucas D. · 9 months ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Lucas. – Ingrid, GotoeSIM Support
Katya C. · 10 months ago
Which networks does this connect to?
You'll be on top local networks, Katya — full details are on the plan page under Coverage. – Tom 💜
Somchai B. · 11 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Somchai! Add it via SIM manager and you're set. – Yuki, GotoeSIM Support
Yuki P. · 11 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Yuki, so buying early is totally fine. — Sophie, GotoeSIM Support
Priya S. · 1 year ago
Will this keep my WhatsApp active with my home number?
Yes Priya, WhatsApp keeps working with your home number — the eSIM only carries data. — James, GotoeSIM Support