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
Budi W.
Vietnam · May 2025
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Will use GotoeSIM for my next trip for sure.
Anna
GotoeSIM Support
· 1 year ago So glad to hear this, Budi! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Safe travels, and see you on your next trip! — Anna, GotoeSIM Support
Yuki C.
Poland · May 2025
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Made staying connected effortless.
David
GotoeSIM Support
· 1 year ago So glad to hear this, Yuki! Great to know the setup was quick and easy. Enjoy your journeys! – David, GotoeSIM Support
Emma T.
Singapore · May 2025
Honestly better than buying a local SIM at the airport in China mainland & Japan & South Korea. The QR code arrived instantly by email. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 1 year ago So glad to hear this, Emma! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Safe travels, and see you on your next trip! – Laura, GotoeSIM Support
Mohammed W.
Brazil · May 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Telling my friends about this.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Mohammed! So happy the China mainland & Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Mark 💜
Viktor C.
Switzerland · May 2025
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues. Five stars from me.
Mark
GotoeSIM Support
· 1 year ago Thank you for the kind words, Viktor! Love that you were online the moment you landed in China mainland & Japan & South Korea. Come back anytime! — Mark
Ji-woo G.
South Korea · May 2025
Worked fine but took a little while to connect at first. Data lasted the whole trip with room to spare.
Omar
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Ji-woo. Glad it mostly worked for you in China mainland & Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. – Omar 💜
Lucas V.
Vietnam · May 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Lucas! Delighted the speeds worked well for you. We're here whenever you travel again. — Ingrid
Fatima N.
United States · May 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 1 year ago Thank you so much, Fatima! So pleased it saved you from roaming bills. We're here whenever you travel again. — Diego
Priya G.
Thailand · May 2025
Super easy to set up before I flew out. I kept my normal number for calls while using this for data.
James
GotoeSIM Support
· 1 year ago Really appreciate this, Priya! Delighted the speeds worked well for you. Enjoy your journeys! — James, GotoeSIM Support
Arjun T.
France · May 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Five stars from me.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Arjun! Great to know the setup was quick and easy. Enjoy your journeys! — Sophie
Diego G.
Portugal · May 2025
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Diego! Thrilled it made staying connected effortless. — Sara
Sarah V.
Malaysia · May 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Would definitely buy again.
Grace
GotoeSIM Support
· 1 year ago Thank you so much, Sarah! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Grace, GotoeSIM Support
Priya L.
Singapore · May 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago Cheers, Priya! Love that you were online the moment you landed in China mainland & Japan & South Korea. — Sophie, GotoeSIM Support
Mohammed K.
France · May 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas.
Emma
GotoeSIM Support
· 1 year ago Cheers, Mohammed! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Emma, GotoeSIM Support
Daniel W.
Poland · May 2025
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 1 year ago Really appreciate this, Daniel! Great to know the setup was quick and easy. We're here whenever you travel again. – Tom, 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 💜