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
Mei T.
South Korea · Aug 2025
Worked fine but took a little while to connect at first.
Diego
GotoeSIM Support
· 11 months ago We're really sorry, Mei. That's not the experience we want for China mainland & Japan & South Korea. Please contact us at gotoesim.com/support and we'll sort it out. – Diego 💜
Aisha S.
Singapore · Jul 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Zero regrets.
Anna
GotoeSIM Support
· 11 months ago Cheers, Aisha! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Anna, GotoeSIM Support
Hana M.
South Korea · Jul 2025
Install took me two tries but was fine after that.
Tom
GotoeSIM Support
· 11 months ago Thank you for taking the time, Hana. 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. – Tom, GotoeSIM Support
Katya K.
Saudi Arabia · Jul 2025
Saved me a fortune on my holiday. The QR code arrived instantly by email. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 11 months ago Thank you for the kind words, Katya! Delighted the speeds worked well for you. Enjoy your journeys! — Laura, GotoeSIM Support
Lea V.
Sweden · Jul 2025
Solid overall, just wish there was a bit more data for the price.
Priya
GotoeSIM Support
· 11 months ago So sorry to hear this, Lea. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. – Priya, GotoeSIM Support
Arjun N.
Vietnam · Jul 2025
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Arjun! Great to know the setup was quick and easy. – Emma 💜
Sven C.
Brazil · Jul 2025
Super easy to set up before I flew out in China mainland & Japan & South Korea. Signal held up well on trains and in rural areas. Telling my friends about this.
Grace
GotoeSIM Support
· 1 year ago Cheers, Sven! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Grace, GotoeSIM Support
Olivia W.
United States · Jul 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email. Five stars from me.
Grace
GotoeSIM Support
· 1 year ago Really appreciate this, Olivia! So pleased it saved you from roaming bills. We're here whenever you travel again. – Grace, GotoeSIM Support
Beatriz H.
Poland · Jul 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived. Made staying connected effortless.
Anna
GotoeSIM Support
· 1 year ago Really appreciate this, Beatriz! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Wishing you many more connected adventures! — Anna, GotoeSIM Support
Marco T.
Italy · Jul 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple.
Omar
GotoeSIM Support
· 1 year ago Really appreciate this, Marco! So pleased it saved you from roaming bills. We're here whenever you travel again. — Omar, GotoeSIM Support
Ava P.
Canada · Jul 2025
Super easy to set up before I flew out in China mainland & Japan & South Korea. Customer support answered my question quickly.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Ava! Love that you were online the moment you landed in China mainland & Japan & South Korea. Come back anytime! – Tom, GotoeSIM Support
Viktor D.
South Korea · Jul 2025
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Viktor! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Come back anytime! — Yuki
Lucia C.
Thailand · Jul 2025
Saved me a fortune on my holiday in China mainland & Japan & South Korea. Coverage was strong even outside the city. Great experience overall.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Lucia! So happy the China mainland & Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Yuki 💜
Lea N.
Thailand · Jul 2025
No more hunting for a SIM card kiosk on arrival in China mainland & Japan & South Korea. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 1 year ago Thank you for the kind words, Lea! Love that you were online the moment you landed in China mainland & Japan & South Korea. – Diego 💜
Ananya M.
United States · Jul 2025
First time using an eSIM and it was painless in China mainland & Japan & South Korea. I kept my normal number for calls while using this for data. Zero regrets.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Ananya! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. – David, 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