Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB 7Days · 1 GB · 7 days
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Coverage & networks
- Japan KDDI/au 5G SoftBank 5G
- South Korea SKTelecom 5G LG Uplus 5G
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB 7Days plan costs $2.16 for 1 GB over 7 days, paid once with no hidden fees.
How do I activate my 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 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 Japan & South Korea.
Comments & questions
Katya M. · 1 month ago
Thanks, installed with no problems on my Samsung.
Glad it went smoothly. Enjoy the trip!
Budi C. · 4 months ago
Can I top up the same eSIM instead of buying a new one?
You can top up the same eSIM from the app under My eSIMs.
Chloe V. · 6 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.
Mohammed M. · 7 months ago
Which networks does this connect to?
It uses local partner networks and picks the strongest signal automatically — the operators are listed on the plan page.
Ravi W. · 7 months ago
Is 5G supported or just 4G?
Yes, 5G where available. Coverage depends on the local operator in that country.
Aisha V. · 9 months ago
Does the validity start on purchase or on first use?
First use. Buying in advance does not eat into your days.
Haruto P. · 10 months ago
Does this work on an iPhone 13?
It does. Every iPhone from the XS onwards supports eSIM, including the 13.
Viktor F. · 10 months ago
Can I use this for hotspot/tethering?
Yes, hotspot and tethering are supported. It uses your plan data as normal.
Sven G. · 1 year ago
Great guide, the setup steps were really helpful.
Happy it was useful. Have a great journey!
Zoe B. · 1 year 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.
Budi R. · 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.
Ethan C. · 1 year 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.