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DestinationsRegionsChina mainland & Japan & South Korea

China mainland & Japan & South Korea eSIM

Prepaid data plans · 3 countries included · Plans from $3.79

Reliable mobile data for your trip across China mainland & Japan & South Korea. Delivered by email in minutes — install before you fly, connect when you land.

5G / LTEInstant deliveryKeep your numberSecure checkout

Choose your plan

How many days?
How much data?
Before you buy: make sure your phone is unlocked and supports eSIM. Check compatible devices
Delivered by email
Your eSIM and setup steps arrive right after payment.
Easy installation
Scan one QR code — most travelers connect in under 2 minutes.
Support on your trip
Real help before, during, and after travel.

Countries covered

This plan works in 3 countries:

About this China mainland & Japan & South Korea eSIM

  • Data-only: these plans provide mobile data. Keep your home SIM active to receive calls and SMS on your usual number.
  • Hotspot / tethering: supported on most devices, so you can share your connection with a laptop or tablet.
  • 5G & 4G/LTE: connects to the fastest network your device and the local carrier support.
  • Validity starts when the eSIM first connects to a network at your destination — install before you fly, activate when you land.
  • Keep your number: apps like WhatsApp keep working on your primary line while you use China mainland & Japan & South Korea data.
  • Coverage: works across airports, major cities, and most populated areas throughout the region.

How much data will I need?

Light use
1–3 GB
Maps, chat, email
Medium use
5–10 GB
Social, browsing, some video
Heavy use
15–20 GB
Streaming, hotspot, video calls
Long stay
Unlimited
30 days, worry-free

China mainland & Japan & South Korea eSIM — FAQ

Will the China mainland & Japan & South Korea eSIM work as soon as I arrive?
Yes. Install it before you travel, and it activates automatically when your phone connects to a local network in China mainland & Japan & South Korea.
Can I use a hotspot with the China mainland & Japan & South Korea eSIM?
Yes, tethering/hotspot works on most phones, so you can share data with other devices.
Will I keep my phone number?
Yes. The eSIM is data-only, so your primary SIM keeps your number active for calls, SMS, and apps like WhatsApp.
Is China mainland & Japan & South Korea covered on 5G?
Where 5G is available locally and your device supports it, you'll get 5G; otherwise it falls back to fast 4G/LTE.
How do I install it?
After purchase you get a QR code by email — scan it in your phone's settings, or tap "Install eSIM" on your dashboard.
Order summary
DestinationChina mainland & Japan & South Korea
Data1 GB
Validity7 days
Total$3.79
Delivered by email
Secure checkout
Compatible device required

Traveler reviews

4.4(5 reviews)
★★★★★
Smooth trip

Solid coverage in China mainland & Japan & South Korea, even on the trains. Setup instructions were clear and quick.

Jonas Kim · 2/2/2026
★★★★★
Exactly as described

Worked the second I landed in China mainland & Japan & South Korea — switched it on at the airport and had full data before I even reached baggage claim.

Marta Murphy · 1/1/2026
★★★★★

Great value for China mainland & Japan & South Korea. Kept my normal number for calls and used the eSIM for data the whole trip.

Greta Novak · 12/11/2025
★★★★★
Worked perfectly

Worked the second I landed in China mainland & Japan & South Korea — switched it on at the airport and had full data before I even reached baggage claim.

Yusuf Tanaka · 12/3/2025
★★★★★
Worked perfectly

Saved me a fortune compared to my carrier's roaming for China mainland & Japan & South Korea. Simple and it works.

Nora Bianchi · 11/10/2025
$3.79
1 GB · 7 days
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