
eSIM for China, Japan and South Korea (Unlimited Data)
Key Features
Use in: 🇨🇳 China, 🇯🇵 Japan, 🇰🇷 South Korea
Instant Activation: Connect within seconds of arrival
Network Coverage: 4G and 5G on leading carriers in each country
Hotspot/Tethering: Yes - share your data with laptops, tablets, and other devices
Top-Up Available: No - unlimited plan with daily high-speed allowance
Speed Reduction: Yes - after your daily high-speed allowance, speeds reduce to 2G for the rest of the day
Calls & SMS: Not included - use WhatsApp, FaceTime, and other VoIP apps
Technical Specs
Pre-Activation Period: 180 days - buy in advance and activate when needed
Installation: Activate via QR code or manual input
Activation: Enable data roaming upon arrival in each country
Device Compatibility: Works with eSIM-compatible phones - check compatibility
Delivery: Instant via email after purchase
Full-Speed Data: Daily 5G/4G high-speed allowance resets every 24 hours
Speed After Allowance: Unlimited 2G for the rest of the day
Coverage by Country
- China: China Unicom 4G
- Japan: NTT Docomo 5G, KDDI au 5G, SoftBank 5G
- South Korea: SK Telecom 5G, KT 5G, LG U+ 5G
Overview
Unlimited Data eSIM for China, Japan, and South Korea
Hopping between China, Japan, and South Korea? Keep things simple with one Unlimited eSIM that works across all three destinations. No SIM swaps, no roaming surprises, and a fresh high-speed allowance every day.
Why choose SIMOVO’s Unlimited North Asia eSIM?
- One eSIM for 3 countries - seamless travel between China, Japan, and South Korea
- Daily high-speed data - enjoy fast 5G/4G up to your daily allowance, then unlimited 2G
- Instant setup - QR code arrives by email and activates in seconds
- Hotspot friendly - share data with laptops and tablets
- Perfect for travellers - ideal for city breaks, business trips, and longer tours
Buy your Unlimited China, Japan, and South Korea eSIM today and travel connected.

HOW TO PURCHASE A SIMOVO eSIM
Just follow these three simple steps, or check out our eSIM Guide page for more information

SELECT A PLAN
Select a plan based on your destination and data needs.

PURCHASE
Complete the purchase and receive your eSIM QR code via email.

ACTIVATE
Scan the QR code and follow the on screen prompts.
How Much Mobile Data Do You Need While Travelling?
Use our free travel data calculator to get a personalised estimate, then pick the perfect SIMOVO eSIM plan. Instant setup. No roaming fees. Just travel-ready connectivity.
How Much Data Do Travellers Usually Use?
- City Break (3–4 days): 2–4GB
- Family Holiday (7–10 days): 5–8GB
- Backpacking (2–3 weeks): 10–15GB
- Remote Work Abroad (30 days+): 20–30GB