Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB 30days · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Ethan G.
Australia · May 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering.
Ingrid
GotoeSIM Support
· 1 year ago Thanks a lot, Ethan! So pleased it saved you from roaming bills. We're here whenever you travel again. – Ingrid 💜
Priya B.
Indonesia · May 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. — Mark, eSIM TopUp Support
Sophia C.
Sweden · May 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email.
Anna
GotoeSIM Support
· 1 year ago Really appreciate this, Sophia! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Anna, eSIM TopUp Support
Olivia H.
Netherlands · May 2025
Connected the moment I landed. Activation was automatic when I arrived in Japan & South Korea.
Diego
GotoeSIM Support
· 1 year ago Cheers, Olivia! Delighted the speeds worked well for you. Enjoy your journeys! – Diego, eSIM TopUp Support
Giulia V.
Turkey · May 2025
Great value compared to roaming charges. Customer support answered my question quickly. Made staying connected effortless.
Emma
GotoeSIM Support
· 1 year ago Thank you for the kind words, Giulia! So happy the Japan & South Korea eSIM kept you connected. — Emma
Lucia S.
Ireland · May 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Zero regrets.
Sara
GotoeSIM Support
· 1 year ago Thank you so much, Lucia! Great to know the setup was quick and easy. We're here whenever you travel again. — Sara
Hugo D.
Malaysia · May 2025
Connected the moment I landed. The QR code arrived instantly by email.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Hugo! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – James, eSIM TopUp Support
Mohammed K.
United States · May 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Signal held up well on trains and in rural areas.
Tom
GotoeSIM Support
· 1 year ago Thank you for the kind words, Mohammed! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Tom, eSIM TopUp Support
Sri D.
Switzerland · May 2025
Great value compared to roaming charges. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 1 year ago Thank you so much, Sri! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Anna
Aisha N.
Vietnam · May 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Five stars from me.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Aisha! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Omar
Viktor T.
France · May 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 1 year ago Thanks for sharing, Viktor! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Diego
Fatima V.
Canada · May 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Great experience overall.
David
GotoeSIM Support
· 1 year ago Cheers, Fatima! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – David, eSIM TopUp Support
Priya P.
Switzerland · May 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Telling my friends about this.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Priya! Great to know the setup was quick and easy. We're here whenever you travel again. – Sophie 💜
Fatima V.
South Korea · May 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Telling my friends about this.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Fatima! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Yuki, eSIM TopUp Support
Mohammed G.
Japan · May 2025
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Zero regrets.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Mohammed! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – David, eSIM TopUp Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB 30days plan costs $19.20 for 10 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 eSIM TopUp 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
Lea T. · 4 weeks ago
Can I top up the same eSIM instead of buying a new one?
Mohammed H. · 1 month ago
How long does the QR code take to arrive after payment?
Ji-woo R. · 3 months ago
Is roaming charged extra or is it all included?
Budi C. · 3 months ago
Can I use this for hotspot/tethering?
Arjun S. · 4 months ago
Does the validity start on purchase or on first use?
Sven R. · 5 months ago
Which networks does this connect to?
Sarah D. · 7 months ago
Can I use it in nearby countries too?
Mei B. · 7 months ago
Thanks, installed with no problems on my Samsung.
Wei T. · 7 months ago
Is 5G supported or just 4G?
Wei D. · 9 months ago
How do I check how much data I have left?
Isabella H. · 9 months ago
Great guide, the setup steps were really helpful.
Fatima K. · 1 year ago
Does this work on an iPhone 13?