China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 1GB 7Days · 1 GB · 7 days
620 reviews
Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG U+ 5G
Traveller reviews
Priya M.
Germany · Jul 2026
Worked fine but took a little while to connect at first.
Anna
GotoeSIM Support
· 1 week ago Appreciate you sharing this, Priya. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. — Anna
Fatima W.
Philippines · Jul 2026
Worked fine but took a little while to connect at first.
Yuki
GotoeSIM Support
· 2 weeks ago Appreciate you sharing this, Fatima. 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. – Yuki 💜
Yuki K.
Brazil · Jun 2026
Worked fine but took a little while to connect at first. Topping up was straightforward when I needed more.
Sara
GotoeSIM Support
· 1 month ago Thank you for taking the time, Yuki. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. — Sara
Pablo F.
Australia · May 2026
Solid overall, just wish there was a bit more data for the price. Speeds were solid for maps, messaging and browsing.
Grace
GotoeSIM Support
· 2 months ago Thanks for the honest feedback, Pablo. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. – Grace, GotoeSIM Support
Hugo R.
Brazil · May 2026
Worked fine but took a little while to connect at first. Setup instructions in the app were clear and simple.
Omar
GotoeSIM Support
· 2 months ago Thank you for taking the time, Hugo. 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. — Omar, GotoeSIM Support
Wei B.
Indonesia · May 2026
Install took me two tries but was fine after that.
Diego
GotoeSIM Support
· 2 months ago Thank you for taking the time, Wei. 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. – Diego, GotoeSIM Support
Emma L.
Singapore · Apr 2026
Good coverage in the city, a bit patchy in remote areas. I kept my normal number for calls while using this for data.
David
GotoeSIM Support
· 3 months ago Appreciate you sharing this, Emma. 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. – David, GotoeSIM Support
Grace N.
Vietnam · Mar 2026
Solid overall, just wish there was a bit more data for the price.
Laura
GotoeSIM Support
· 3 months ago Appreciate you sharing this, Grace. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. – Laura, GotoeSIM Support
Hugo S.
Vietnam · Mar 2026
Good coverage in the city, a bit patchy in remote areas. Streaming and video calls worked without buffering.
Laura
GotoeSIM Support
· 4 months ago Thank you for taking the time, Hugo. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Any questions, our team is at gotoesim.com/support. – Laura, GotoeSIM Support
Beatriz T.
United Kingdom · Mar 2026
Install took me two tries but was fine after that. Signal held up well on trains and in rural areas.
Anna
GotoeSIM Support
· 4 months ago Appreciate you sharing this, Beatriz. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Any questions, our team is at gotoesim.com/support. — Anna, GotoeSIM Support
Zoe D.
Switzerland · Jan 2026
Decent speeds, though slower than I expected in a few spots.
Sara
GotoeSIM Support
· 6 months ago Thanks for the honest feedback, Zoe. 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. – Sara 💜
Hana P.
Ireland · Dec 2025
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 6 months ago Appreciate you sharing this, 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. — Omar, GotoeSIM Support
Ethan F.
Thailand · Dec 2025
Good coverage in the city, a bit patchy in remote areas.
David
GotoeSIM Support
· 7 months ago Appreciate you sharing this, Ethan. 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. — David, GotoeSIM Support
Beatriz C.
Philippines · Dec 2025
Decent speeds, though slower than I expected in a few spots. Speeds were solid for maps, messaging and browsing.
Sophie
GotoeSIM Support
· 7 months ago Thanks for the honest feedback, Beatriz. 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. — Sophie
Zoe B.
Singapore · Oct 2025
Solid overall, just wish there was a bit more data for the price.
Tom
GotoeSIM Support
· 9 months ago Thank you for taking the time, Zoe. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. — Tom, GotoeSIM Support
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 1GB 7Days plan costs $3.45 for 1 GB over 7 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
Thomas C. · 1 week ago
Can I top up the same eSIM instead of buying a new one?
Yes Thomas, you can top up the same eSIM anytime — no need to buy a new one. — Sophie, GotoeSIM Support
Ryan M. · 1 month ago
Does this work on an iPhone 13?
Absolutely, Ryan! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. — Emma
Sri W. · 2 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Sri, so buying early is totally fine. — Anna
Lucas R. · 3 months ago
Can I use it in nearby countries too?
For nearby countries, Lucas, a regional plan may suit you better — happy to help you pick. – Anna 💜
Emma D. · 4 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Emma, on 4G/5G where available. – James 💜
Max V. · 5 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Max, then it activates automatically on arrival. — Laura
Katya L. · 6 months ago
Is 5G supported or just 4G?
Yes Katya, 5G is supported where the local network offers it, otherwise fast 4G. – Sara, GotoeSIM Support
Mei N. · 7 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Mei! Add it via SIM manager and you're set. – Emma 💜
Mohammed H. · 9 months ago
Can I use this for hotspot/tethering?
Yes Mohammed, hotspot/tethering works fine — share your data to a laptop or tablet anytime. – Ken, GotoeSIM Support
Giulia T. · 10 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Giulia — no extra charges, it's all prepaid. — Ingrid, GotoeSIM Support
Max F. · 1 year ago
How long does the QR code take to arrive after payment?
It's immediate, Max! The QR code is delivered the moment your payment goes through. – David, GotoeSIM Support
Budi B. · 1 year ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Budi! The eSIM just handles data. – Priya, GotoeSIM Support