China mainland & Japan & South Korea eSIM
8 plans · First network connection · From $2.55
Choose a plan
8 plans available
What you get
Connected in under 2 minutes
No physical SIM card. No app downloads. Just an email and your phone.
Email arrives instantly
Your QR code and setup link land in your inbox the moment payment clears.
Your eSIM is ready
support@iwantesim.com · just now
Scan the QR code
Open Settings → Add cellular plan → scan. Your phone does the rest.
Connect & explore
Activates the moment you land in China mainland & Japan & South Korea. Keep your home number for calls.
Connected · China mainland & Japan & South Korea
Where it works
Live the moment you land in China mainland & Japan & South Korea
Activates when you connect on a supported network in China mainland & Japan & South Korea. Major hubs below are examples from public airport data — your plan coverage follows the network list in plan details.
Cities
Major airports
Beijing Capital Airport
New Incheon International Airport
Pudong International Airport
Singapore Changi Airport
Baiyun Airport
Narita International Airport
Helsinki Vantaa Airport
OR Tambo International Airport
Compatibility
Is your phone eSIM-ready?
Most phones released after 2018 support eSIM. Check before purchasing — it takes 5 seconds.
Reviews
See what travelers say
Read verified customer reviews on our reviews page — real feedback from travelers who used iwantesim.
View customer reviewsFAQ
China mainland & Japan & South Korea eSIM questions
Most phones released after 2018 are eSIM-compatible — iPhone XS and newer, Samsung Galaxy S20 and newer, Google Pixel 3 and newer. Check our compatibility list to confirm before purchasing.
Validity starts the moment you connect to a supported network in China mainland & Japan & South Korea, not when you purchase. Buy ahead of time without worry.
Hotspot is not indicated for this plan. Choose another plan or contact support if you need tethering.
You can top up directly through our portal at any time. No need to buy a new plan.
Yes. eSIM-compatible phones support dual SIM. Keep your home number for calls and texts while using the eSIM for data abroad.
Browse more
Other popular destinations
Explore eSIM plans for 222 destinations worldwide.
Browse all eSIMsTotal