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 Uplus 5G SKTelecom 5G
Traveller reviews
Liam P.
Vietnam · Oct 2025
Exactly what I needed for travelling. The QR code arrived instantly by email. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 8 months ago Really appreciate this, Liam! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Emma, GotoeSIM Support
Andre N.
Ireland · Oct 2025
Great value compared to roaming charges in Japan & South Korea. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 8 months ago Thank you so much, Andre! So pleased it saved you from roaming bills. Enjoy your journeys! – Ingrid, GotoeSIM Support
Sophia R.
Turkey · Oct 2025
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Telling my friends about this.
Tom
GotoeSIM Support
· 8 months ago Thank you so much, Sophia! Delighted the speeds worked well for you. — Tom
Olivia N.
India · Oct 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Omar
GotoeSIM Support
· 9 months ago So glad to hear this, Olivia! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Omar, GotoeSIM Support
Ji-woo V.
Mexico · Oct 2025
Did the job without any drama in Japan & South Korea. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 9 months ago So glad to hear this, Ji-woo! So pleased it saved you from roaming bills. We're here whenever you travel again. – Anna, GotoeSIM Support
Noah H.
Netherlands · Oct 2025
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 9 months ago Really appreciate this, Noah! Great to know the setup was quick and easy. We're here whenever you travel again. – Ingrid 💜
Sri C.
Spain · Oct 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 9 months ago Thanks a lot, Sri! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Sophie, GotoeSIM Support
Lea G.
UAE · Oct 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Will use GotoeSIM for my next trip for sure.
Tom
GotoeSIM Support
· 9 months ago Thanks for sharing, Lea! Delighted the speeds worked well for you. Enjoy your journeys! – Tom 💜
Diego P.
Germany · Oct 2025
Super easy to set up before I flew out. Signal held up well on trains and in rural areas.
Emma
GotoeSIM Support
· 9 months ago Really appreciate this, Diego! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Emma 💜
Ingrid N.
Canada · Oct 2025
Great value compared to roaming charges in Japan & South Korea. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Diego
GotoeSIM Support
· 9 months ago Cheers, Ingrid! Delighted the speeds worked well for you. — Diego, GotoeSIM Support
Diego R.
United States · Oct 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 9 months ago Thank you so much, Diego! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Omar, GotoeSIM Support
Elena T.
Thailand · Oct 2025
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 9 months ago Cheers, Elena! So pleased it saved you from roaming bills. – Sara, GotoeSIM Support
Kenji B.
Australia · Oct 2025
Great value compared to roaming charges. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 9 months ago Thank you for the kind words, Kenji! Great to know the setup was quick and easy. Enjoy your journeys! — Diego
Pablo H.
Italy · Oct 2025
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Zero regrets.
Grace
GotoeSIM Support
· 9 months ago Thank you so much, Pablo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Grace, GotoeSIM Support
Sophia S.
Egypt · Oct 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Setup instructions in the app were clear and simple. Would definitely buy again.
James
GotoeSIM Support
· 9 months ago Really appreciate this, Sophia! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — James, 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