China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 1GB 7Days · 1 GB · 7 days
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Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 1GB 7Days plan costs $3.68 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 eSIM TopUp 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
Chloe K. · 2 months ago
Is 5G supported or just 4G?
Yes, 5G where available. Coverage depends on the local operator in that country.
Sofia V. · 3 months ago
Thanks, installed with no problems on my Samsung.
Thanks for the feedback — happy it was straightforward.
Beatriz C. · 4 months ago
How long does the QR code take to arrive after payment?
Delivery is immediate. The QR is in your account the moment payment clears.
James K. · 4 months ago
Do I need to install it before I travel or after I arrive?
Set it up before departure. Installing needs internet, and airport Wi-Fi is not always reliable.
Min-jun T. · 5 months ago
How do I check how much data I have left?
It is in the app under My eSIMs, and on your account dashboard on the website.
Nguyen W. · 6 months ago
Which networks does this connect to?
The plan page lists the carriers for that destination. Selection is automatic.
Sri V. · 8 months ago
Can I use it in nearby countries too?
That depends on the plan — country plans work in that country only, while our regional and global plans cover multiple destinations.
Sven M. · 10 months ago
Does this work on an iPhone 13?
It does. Every iPhone from the XS onwards supports eSIM, including the 13.
Carlos T. · 11 months ago
Can I use this for hotspot/tethering?
Yes, hotspot and tethering are supported. It uses your plan data as normal.
Ava V. · 1 year ago
Will this keep my WhatsApp active with my home number?
Yes. The eSIM handles data while your normal SIM stays active, so WhatsApp keeps your usual number.
Beatriz G. · 1 year ago
Great guide, the setup steps were really helpful.
Thanks — glad it helped. Enjoy the trip!
Elena B. · 1 year ago
Is roaming charged extra or is it all included?
No extra roaming fees — the price you see is the price you pay.