China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 5GB 30Days · 5 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
Louis L.
Turkey · Jan 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Zero regrets.
Ken
GotoeSIM Support
· 6 months ago Thanks a lot, Louis! So pleased it saved you from roaming bills. – Ken 💜
Max F.
Singapore · Jan 2026
Connected the moment I landed. Activation was automatic when I arrived in China mainland & Japan & South Korea. Zero regrets.
Yuki
GotoeSIM Support
· 6 months ago Cheers, Max! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Yuki
Ravi D.
Turkey · Jan 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Five stars from me.
Tom
GotoeSIM Support
· 6 months ago Thank you so much, Ravi! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Enjoy your journeys! – Tom, GotoeSIM Support
Mateo S.
Egypt · Jan 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 6 months ago So glad to hear this, Mateo! Great to know the setup was quick and easy. Come back anytime! – Emma 💜
Wei C.
South Korea · Jan 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 6 months ago Cheers, Wei! Delighted the speeds worked well for you. — Ingrid, GotoeSIM Support
Mei C.
South Korea · Jan 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly.
Priya
GotoeSIM Support
· 6 months ago Thank you for the kind words, Mei! Love that you were online the moment you landed in China mainland & Japan & South Korea. Enjoy your journeys! – Priya 💜
Ryan B.
Singapore · Jan 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more.
David
GotoeSIM Support
· 6 months ago So glad to hear this, Ryan! Great to know the setup was quick and easy. Wishing you many more connected adventures! – David 💜
James B.
Switzerland · Jan 2026
No more hunting for a SIM card kiosk on arrival in China mainland & Japan & South Korea. Coverage was strong even outside the city. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 6 months ago Thanks for sharing, James! Love that you were online the moment you landed in China mainland & Japan & South Korea. Wishing you many more connected adventures! — Mark
Diego F.
Sweden · Jan 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple.
Laura
GotoeSIM Support
· 6 months ago Thank you so much, Diego! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. – Laura 💜
Andre V.
Sweden · Jan 2026
Great value compared to roaming charges. Signal held up well on trains and in rural areas. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 6 months ago Thank you so much, Andre! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Ingrid
Ji-woo D.
Ireland · Jan 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. A must-have for international travel.
Ken
GotoeSIM Support
· 6 months ago Thanks a lot, Ji-woo! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Enjoy your journeys! — Ken, GotoeSIM Support
Nadia W.
Canada · Jan 2026
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. Will use GotoeSIM for my next trip for sure.
Sara
GotoeSIM Support
· 6 months ago Thanks for sharing, Nadia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Sara 💜
Camila B.
Philippines · Jan 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Great experience overall.
Tom
GotoeSIM Support
· 6 months ago Really appreciate this, Camila! Love that you were online the moment you landed in China mainland & Japan & South Korea. Enjoy your journeys! — Tom, GotoeSIM Support
Isabella K.
New Zealand · Jan 2026
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. A must-have for international travel.
Tom
GotoeSIM Support
· 6 months ago Cheers, Isabella! So happy the China mainland & Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Tom
Sarah K.
Japan · Jan 2026
Connected the moment I landed. Data lasted the whole trip with room to spare. Great experience overall.
Omar
GotoeSIM Support
· 6 months ago Thanks for sharing, Sarah! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Omar, GotoeSIM Support
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 5GB 30Days plan costs $13.20 for 5 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
Sofia N. · 1 week ago
Is roaming charged extra or is it all included?
No surprise fees, Sofia! Roaming is part of the plan and never billed separately. — Mark, GotoeSIM Support
Daniel C. · 2 weeks ago
Can I use this for hotspot/tethering?
Yes Daniel, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — Grace, GotoeSIM Support
Ravi G. · 2 months ago
Does this work on an iPhone 13?
Absolutely, Ravi! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. — Priya, GotoeSIM Support
Ji-woo P. · 3 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, Ji-woo. — Anna
Noah T. · 3 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Noah, you can top up the same eSIM anytime — no need to buy a new one. – Tom, GotoeSIM Support
Fatima W. · 4 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Fatima, on 4G/5G where available. — Yuki, GotoeSIM Support
Diego D. · 4 months ago
Is 5G supported or just 4G?
5G is available where covered, Diego — you'll always get the best speed on offer. — Emma, GotoeSIM Support
Lucia P. · 6 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Lucia — it switches on when you land. – Diego 💜
Giulia S. · 7 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Giulia — not at purchase. — Priya
Liam C. · 8 months ago
Can I use it in nearby countries too?
This plan covers its listed destination, Liam — for multiple countries, check our regional plans. – Anna 💜
Andre M. · 9 months ago
Will this keep my WhatsApp active with my home number?
Yes Andre, WhatsApp keeps working with your home number — the eSIM only carries data. — Sara
Anna T. · 11 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Anna! We're always here if you need anything. — Omar, GotoeSIM Support