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 U+ 5G
Traveller reviews
Beatriz B.
Saudi Arabia · Mar 2026
Good coverage in the city, a bit patchy in remote areas.
Priya
GotoeSIM Support
· 4 months ago So sorry to hear this, Beatriz. 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. – Priya, GotoeSIM Support
Linh D.
Netherlands · Mar 2026
Install took me two tries but was fine after that.
James
GotoeSIM Support
· 4 months ago Apologies for the trouble, Linh. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – James 💜
Mohammed F.
New Zealand · Nov 2025
Install took me two tries but was fine after that.
James
GotoeSIM Support
· 8 months ago So sorry to hear this, Mohammed. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — James
Zoe N.
Singapore · Oct 2025
Install took me two tries but was fine after that. Customer support answered my question quickly.
Omar
GotoeSIM Support
· 9 months ago We're really sorry, Zoe. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Omar, GotoeSIM Support
Andre R.
Italy · Aug 2025
Install took me two tries but was fine after that. The QR code arrived instantly by email.
David
GotoeSIM Support
· 11 months ago We're really sorry, Andre. 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. — David
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
Kenji S.
Vietnam · Jul 2025
Solid overall, just wish there was a bit more data for the price.
Grace
GotoeSIM Support
· 1 year ago We're really sorry, Kenji. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – Grace, GotoeSIM Support
Ingrid N.
South Korea · May 2025
Decent speeds, though slower than I expected in a few spots.
James
GotoeSIM Support
· 1 year ago We're really sorry, Ingrid. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – James 💜
Zoe H.
Malaysia · May 2025
Install took me two tries but was fine after that. Setup instructions in the app were clear and simple.
Ingrid
GotoeSIM Support
· 1 year ago So sorry to hear this, Zoe. 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. – Ingrid, GotoeSIM Support
Sofia K.
Brazil · May 2025
Good coverage in the city, a bit patchy in remote areas.
Tom
GotoeSIM Support
· 1 year ago Apologies for the trouble, Sofia. 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. — Tom
Sophia D.
Netherlands · Mar 2025
Install took me two tries but was fine after that. Speeds were solid for maps, messaging and browsing.
Emma
GotoeSIM Support
· 1 year ago We're really sorry, Sophia. 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. – Emma, GotoeSIM Support
Sri N.
Ireland · Sep 2024
Decent speeds, though slower than I expected in a few spots. Customer support answered my question quickly.
Emma
GotoeSIM Support
· 1 year ago So sorry to hear this, Sri. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Emma 💜
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