# China mainland & Japan & South Korea eSIM: one plan for 3 countries

> China mainland & Japan & South Korea eSIM for 3 countries from $2.07, including China, Japan and South Korea. One QR code, no ID, keep your home number.

Source: https://linkpals.store/esim/china-mainland-and-japan-and-south-korea · Updated 2026-11-07

A China mainland & Japan & South Korea eSIM keeps you online across 3 countries on a single plan, from $2.07, including China, Japan and South Korea. Buy online with no ID, install before you fly, and keep your home number on.

## China mainland & Japan & South Korea eSIM plans

One eSIM works across every country listed below, so you can cross borders without switching SIMs. Prices are in US dollars and you pay once.

- 500 MB/day, 1 days (China mainland & Japan & South Korea): $2.07
- 1 GB/day, 1 days (China mainland & Japan & South Korea): $2.91
- 1 GB, 7 days (China mainland & Japan & South Korea): $2.99
- 2 GB/day, 1 days (China mainland & Japan & South Korea): $4.68
- 3 GB, 15 days (China mainland & Japan & South Korea): $5.86
- 3 GB, 30 days (China mainland & Japan & South Korea): $6.03
- 5 GB, 30 days (China mainland & Japan & South Korea): $9.52
- 10 GB, 30 days (China mainland & Japan & South Korea): $14.91
- 20 GB, 30 days (China mainland & Japan & South Korea): $24.22

## 3 countries on one China mainland & Japan & South Korea eSIM

- [China](https://linkpals.store/esim/china)
- [Japan](https://linkpals.store/esim/japan)
- [South Korea](https://linkpals.store/esim/south-korea)

## Networks by country

| Country | Networks |
| --- | --- |
| China mainland | China Unicom (5G) |
| Japan | KDDI/au (5G) |
| South Korea | SKTelecom (5G) |

## When to choose a China mainland & Japan & South Korea eSIM

- **You're visiting two or more countries** on the list. One eSIM covers the whole route.
- **You cross borders by road or rail**, where switching SIMs at each border is a hassle.
- **You want one QR code and one top-up** instead of several small plans.
- **You're only in one country?** A single-country plan is usually cheaper. Tap the country below to compare.

A China mainland & Japan & South Korea eSIM uses the same partner networks as our single-country plans, so speed and coverage are the same. Your phone joins a local network automatically each time you cross a border, as long as data roaming is on for the eSIM line.

## How to set up your China mainland & Japan & South Korea eSIM

### Set up your China mainland & Japan & South Korea eSIM in three steps

1. **Choose your plan.** Pick the data and days for your whole route. Check your phone on our [compatible phones](https://linkpals.store/compatible-devices) list.
2. **Install before you fly.** Scan the QR code from your email on Wi-Fi and keep the line off until you land.
3. **Connect on arrival.** Turn the line on, set it as your mobile data line and turn on data roaming for it. It switches networks as you cross borders. See [how to activate eSIM](https://linkpals.store/help).

## Frequently asked questions

### Which countries does the China mainland & Japan & South Korea eSIM cover?

3 countries, including China, Japan and South Korea. The full list is on this page.

### Do I need a new eSIM in each country?

No. One China mainland & Japan & South Korea eSIM works across every listed country and connects to a local partner network as you cross borders.

### How much does the China mainland & Japan & South Korea eSIM cost?

Plans start at $2.07. You pay once, with no contract.

### Is a regional eSIM better than a country eSIM?

For one country, a country plan is usually cheaper. For two or more countries, one multi-country plan is simpler and often cheaper overall.