Japan & South Korea eSIM — reviews & details
Japan & South Korea 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea LG U+ 5G SKTelecom 5G
Traveller reviews
Camila L.
Sweden · May 2026
Honestly better than buying a local SIM at the airport in Japan & South Korea. The QR code arrived instantly by email. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 2 months ago Thanks a lot, Camila! Great to know the setup was quick and easy. Enjoy your journeys! — Sophie
Carlos S.
Netherlands · May 2026
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Five stars from me.
Ingrid
GotoeSIM Support
· 2 months ago Thank you so much, Carlos! Delighted the speeds worked well for you. Enjoy your journeys! — Ingrid, GotoeSIM Support
Ryan C.
New Zealand · May 2026
Good coverage in the city, a bit patchy in remote areas. Coverage was strong even outside the city.
Laura
GotoeSIM Support
· 2 months ago Thank you for taking the time, Ryan. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — Laura, GotoeSIM Support
Sophia C.
Switzerland · May 2026
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Telling my friends about this.
Sophie
GotoeSIM Support
· 2 months ago Thanks a lot, Sophia! Thrilled it made staying connected effortless. Enjoy your journeys! — Sophie
Ravi L.
Japan · May 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Diego
GotoeSIM Support
· 2 months ago Thanks for sharing, Ravi! Delighted the speeds worked well for you. Enjoy your journeys! – Diego, GotoeSIM Support
Ji-woo M.
Turkey · May 2026
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 2 months ago Really appreciate this, Ji-woo! So pleased it saved you from roaming bills. We're here whenever you travel again. — Mark, GotoeSIM Support
Lea D.
Singapore · Apr 2026
Install took me two tries but was fine after that.
Priya
GotoeSIM Support
· 2 months ago So sorry to hear this, Lea. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. – Priya, GotoeSIM Support
Nguyen S.
Spain · Apr 2026
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Would definitely buy again.
Diego
GotoeSIM Support
· 2 months ago Cheers, Nguyen! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! — Diego, GotoeSIM Support
Min-jun H.
New Zealand · Apr 2026
Did the job without any drama. Data lasted the whole trip with room to spare. Telling my friends about this.
David
GotoeSIM Support
· 3 months ago Really appreciate this, Min-jun! So happy the Japan & South Korea eSIM kept you connected. – David, GotoeSIM Support
Ji-woo V.
Malaysia · Apr 2026
Super easy to set up before I flew out. I kept my normal number for calls while using this for data. Zero regrets.
Grace
GotoeSIM Support
· 3 months ago So glad to hear this, Ji-woo! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Grace 💜
Haruto G.
Philippines · Apr 2026
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Zero regrets.
Omar
GotoeSIM Support
· 3 months ago Thank you for the kind words, Haruto! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Omar, GotoeSIM Support
Camila H.
Australia · Apr 2026
Great value compared to roaming charges in Japan & South Korea. Topping up was straightforward when I needed more.
Mark
GotoeSIM Support
· 3 months ago Cheers, Camila! Delighted the speeds worked well for you. We're here whenever you travel again. – Mark 💜
Nguyen M.
Spain · Apr 2026
First time using an eSIM and it was painless. The QR code arrived instantly by email. Telling my friends about this.
Anna
GotoeSIM Support
· 3 months ago Thank you for the kind words, Nguyen! Wonderful to hear it worked smoothly in Japan & South Korea. — Anna
Ava G.
South Korea · Apr 2026
Did the job without any drama. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Sophie
GotoeSIM Support
· 3 months ago Thank you for the kind words, Ava! Delighted the speeds worked well for you. We're here whenever you travel again. – Sophie 💜
Omar B.
Australia · Apr 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Would definitely buy again.
Laura
GotoeSIM Support
· 3 months ago Thanks for sharing, Omar! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Laura, GotoeSIM Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 3GB 30Days plan costs $6.08 for 3 GB over 30 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
Diego B. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Diego — it switches on when you land. — Sophie, GotoeSIM Support
Grace K. · 7 months ago
How long does the QR code take to arrive after payment?
It's immediate, Grace! The QR code is delivered the moment your payment goes through. – Ingrid 💜
Ava H. · 8 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, Ava. — Grace, GotoeSIM Support
Nguyen P. · 8 months ago
Can I use it in nearby countries too?
For nearby countries, Nguyen, a regional plan may suit you better — happy to help you pick. – Omar, GotoeSIM Support
Nguyen D. · 9 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Nguyen, on 4G/5G where available. – Anna, GotoeSIM Support
Anna L. · 9 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Anna — no extra charges, it's all prepaid. — Laura
Noah V. · 10 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Noah! Add it via SIM manager and you're set. — Priya
Aisha H. · 10 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Aisha, you can top up the same eSIM anytime — no need to buy a new one. — Emma
Giulia B. · 10 months ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Giulia! The eSIM just handles data. — Sara
Somchai H. · 11 months ago
Great guide, the setup steps were really helpful.
Thanks Somchai, that means a lot! Reach out anytime. – James, GotoeSIM Support
Lea R. · 1 year ago
Is 5G supported or just 4G?
5G is available where covered, Lea — you'll always get the best speed on offer. — Mark, GotoeSIM Support
Carlos G. · 1 year ago
Does this work on an iPhone 13?
Absolutely, Carlos! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. – Ken, GotoeSIM Support