China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 20GB 30Days · 20 GB · 30 days
620 reviews
Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Max R.
Philippines · Jan 2026
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. A must-have for international travel.
Sophie
GotoeSIM Support
· 6 months ago Thanks a lot, Max! Delighted the speeds worked well for you. Come back anytime! – Sophie 💜
Ava S.
Malaysia · Jan 2026
Worked fine but took a little while to connect at first. Activation was automatic when I arrived.
Sara
GotoeSIM Support
· 6 months ago So sorry to hear this, Ava. That's not the experience we want for China mainland & Japan & South Korea. Reach our team at gotoesim.com/support so we can help right away. — Sara
Linh N.
South Korea · Jan 2026
Connected the moment I landed. Streaming and video calls worked without buffering. Telling my friends about this.
Grace
GotoeSIM Support
· 6 months ago Thank you for the kind words, Linh! So happy the China mainland & Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Grace, GotoeSIM Support
Anna R.
Ireland · Jan 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 6 months ago Really appreciate this, Anna! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Wishing you many more connected adventures! — Sophie, GotoeSIM Support
Beatriz R.
Netherlands · Dec 2025
Connected the moment I landed. Coverage was strong even outside the city.
James
GotoeSIM Support
· 6 months ago Thank you so much, Beatriz! So pleased it saved you from roaming bills. — James
Lea M.
Germany · Dec 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering.
Grace
GotoeSIM Support
· 6 months ago Thanks for sharing, Lea! Great to know the setup was quick and easy. – Grace 💜
Fatima L.
Spain · Dec 2025
Saved me a fortune on my holiday. Activation was automatic when I arrived. Zero regrets.
Mark
GotoeSIM Support
· 6 months ago Really appreciate this, Fatima! So happy the China mainland & Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Mark, GotoeSIM Support
Grace D.
Japan · Dec 2025
Good coverage in the city, a bit patchy in remote areas. Coverage was strong even outside the city.
Grace
GotoeSIM Support
· 7 months ago Appreciate you sharing this, Grace. 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. — Grace, GotoeSIM Support
Wei T.
France · Dec 2025
Installed in minutes by scanning the QR code in China mainland & Japan & South Korea. Streaming and video calls worked without buffering. Telling my friends about this.
Anna
GotoeSIM Support
· 7 months ago Thank you for the kind words, Wei! So pleased it saved you from roaming bills. – Anna, GotoeSIM Support
Hugo M.
Spain · Dec 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. A must-have for international travel.
Grace
GotoeSIM Support
· 7 months ago So glad to hear this, Hugo! Delighted the speeds worked well for you. – Grace 💜
Lea S.
Poland · Dec 2025
Did the job without any drama. Topping up was straightforward when I needed more. Zero regrets.
David
GotoeSIM Support
· 7 months ago So glad to hear this, Lea! Love that you were online the moment you landed in China mainland & Japan & South Korea. — David, GotoeSIM Support
Mei N.
Egypt · Dec 2025
Super easy to set up before I flew out. Activation was automatic when I arrived. Zero regrets.
Ken
GotoeSIM Support
· 7 months ago Really appreciate this, Mei! So happy the China mainland & Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Ken
Andre R.
Poland · Dec 2025
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 7 months ago Thanks a lot, Andre! Delighted the speeds worked well for you. We're here whenever you travel again. — Sophie, GotoeSIM Support
Ethan T.
Netherlands · Dec 2025
Connected the moment I landed. Coverage was strong even outside the city. Great experience overall.
Yuki
GotoeSIM Support
· 7 months ago Thank you for the kind words, Ethan! Delighted the speeds worked well for you. – Yuki 💜
Ethan H.
Egypt · Dec 2025
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare. Would definitely buy again.
David
GotoeSIM Support
· 7 months ago Thank you for the kind words, Ethan! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – David, GotoeSIM Support
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 20GB 30Days plan costs $37.50 for 20 GB over 30 days, paid once with no hidden fees.
How do I activate my China mainland & 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 China mainland & 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 China mainland & Japan & South Korea.
Comments & questions
Lucia T. · 2 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Lucia — no extra charges, it's all prepaid. – Emma, GotoeSIM Support
Pablo H. · 3 months ago
Does this work on an iPhone 13?
Absolutely, Pablo! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. – Laura, GotoeSIM Support
Aisha V. · 3 months ago
Is 5G supported or just 4G?
5G is available where covered, Aisha — you'll always get the best speed on offer. – James 💜
Lea H. · 5 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Lea, then it activates automatically on arrival. — Anna, GotoeSIM Support
Liam G. · 5 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Liam, you can top up the same eSIM anytime — no need to buy a new one. – Sara, GotoeSIM Support
Haruto W. · 6 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, Haruto. – Sophie, GotoeSIM Support
Omar L. · 7 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Omar, so buying early is totally fine. – Emma, GotoeSIM Support
Sven M. · 8 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Sven! Feel free to hotspot to your other devices. — James
Andre R. · 8 months ago
Great guide, the setup steps were really helpful.
Thanks Andre, that means a lot! Reach out anytime. — Priya
Daniel M. · 10 months ago
Can I use it in nearby countries too?
This plan covers its listed destination, Daniel — for multiple countries, check our regional plans. – Laura, GotoeSIM Support
Wei L. · 10 months ago
Thanks, installed with no problems on my Samsung.
Yes Wei, recent Samsung Galaxy models support eSIM — add it under Settings › Connections › SIM manager. — Anna
Mohammed V. · 1 year ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Mohammed — within seconds of payment, by email and in your account. – Sophie 💜