Japan & South Korea eSIM — reviews & details
Japan & South Korea 2GB/Day FUP1Mbps · 2 GB/day · 1 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 2GB/Day FUP1Mbps plan costs $3.88 for 2 GB/day over 1 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
Omar H. · 1 week ago
Can I buy it now and activate it later?
Noah G. · 3 weeks ago
Is 5G supported or just 4G?
Lea T. · 2 months ago
Is 5G supported or just 4G?
Ava K. · 3 months ago
Does the validity start on purchase or on first use?
James M. · 3 months ago
Can I use it in nearby countries too?
Marco B. · 3 months ago
How long does the QR code take to arrive after payment?
Budi N. · 3 months ago
Will this keep my WhatsApp active with my home number?
Thomas S. · 4 months ago
Can I use this for hotspot/tethering?
Pablo V. · 8 months ago
Which networks does this connect to?
Linh W. · 10 months ago
Do I need to install it before I travel or after I arrive?
Beatriz T. · 11 months ago
Thanks, installed with no problems on my Samsung.
Olivia R. · 11 months ago
How do I check how much data I have left?
Anna C. · 1 year ago
Is roaming charged extra or is it all included?
Hugo H. · 1 year ago
Great guide, the setup steps were really helpful.