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
Elena R.
Spain · Jan 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing.
Grace
GotoeSIM Support
· 1 year ago Cheers, Elena! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Grace
Elena L.
Italy · Jan 2025
Great value compared to roaming charges in Japan & South Korea. Topping up was straightforward when I needed more. Would definitely buy again.
Mark
GotoeSIM Support
· 1 year ago Cheers, Elena! Love that you were online the moment you landed in Japan & South Korea. – Mark 💜
Arjun C.
Egypt · Jan 2025
Saved me a fortune on my holiday. Streaming and video calls worked without buffering.
Ingrid
GotoeSIM Support
· 1 year ago Really appreciate this, Arjun! Delighted the speeds worked well for you. Enjoy your journeys! – Ingrid, GotoeSIM Support
Giulia W.
Vietnam · Jan 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Topping up was straightforward when I needed more. Would definitely buy again.
Laura
GotoeSIM Support
· 1 year ago Really appreciate this, Giulia! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Laura, GotoeSIM Support
Isabella H.
Saudi Arabia · Jan 2025
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Isabella! So pleased it saved you from roaming bills. — Diego
Emma C.
Portugal · Jan 2025
Install took me two tries but was fine after that. Streaming and video calls worked without buffering.
Omar
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Emma. 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. – Omar 💜
Giulia H.
Netherlands · Jan 2025
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Will use GotoeSIM for my next trip for sure.
Emma
GotoeSIM Support
· 1 year ago Thank you for the kind words, Giulia! Love that you were online the moment you landed in Japan & South Korea. – Emma 💜
Elena H.
UAE · Jan 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. Will use GotoeSIM for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Elena! Great to know the setup was quick and easy. Come back anytime! – Sara 💜
Nguyen P.
Turkey · Jan 2025
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Would definitely buy again.
Mark
GotoeSIM Support
· 1 year ago Cheers, Nguyen! Thrilled it made staying connected effortless. — Mark
Marco F.
Canada · Jan 2025
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Marco! So pleased it saved you from roaming bills. — Priya, GotoeSIM Support
Arjun D.
United Kingdom · Jan 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly.
Sophie
GotoeSIM Support
· 1 year ago Thanks a lot, Arjun! So pleased it saved you from roaming bills. — Sophie, GotoeSIM Support
Min-jun G.
Australia · Jan 2025
Solid overall, just wish there was a bit more data for the price. Speeds were solid for maps, messaging and browsing.
Laura
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Min-jun. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. – Laura, GotoeSIM Support
Ingrid C.
United States · Jan 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.
Diego
GotoeSIM Support
· 1 year ago Cheers, Ingrid! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Diego
Ava B.
Netherlands · Jan 2025
Super easy to set up before I flew out. Signal held up well on trains and in rural areas.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Ava! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Tom
Arjun T.
Sweden · Jan 2025
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Telling my friends about this.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Arjun! Great to know the setup was quick and easy. Enjoy your journeys! – Yuki, 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