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Connect Fast.
High-quality eSIM plans across Japan.
No paperwork. No waiting. Just connect instantly.






How to get an eSIM for Japan Start in 3 Simple Steps
Choose Your Plan
Select the plan that fits your trip, complete the purchase, and receive a confirmation email with a setup link.
Set Up Your eSIM
Click the link in the email and follow the on-screen instructions.
Activate Anytime
Your eSIM stays ready until your trip begins. Simply activate it on the day you arrive. (Valid for 30 days after purchase.)
Reasons What Makes JP-SIM.com Different
Instant Activation, Zero Hassle
Skip the airport kiosks and SIM card shops. With JP-SIM.com, you’ll get your setup link by email right after purchase. Activate your eSIM instantly—even before you land in Japan.
Traveler-Friendly Plans
Simple, flexible, and transparent. Whether you’re here for a few days or a longer stay, you only pay for what you actually need. No hidden fees, no unnecessary extras—just reliable internet at the right price.
Reliable Local Network Coverage
Powered by Japan’s top carriers, our eSIMs deliver stable 4G/5G nationwide. From busy city centers to remote countryside, stay connected for maps, translations, and everything in between.
Voices What Our Users Say
Quick and Easy Setup
“I was online within minutes after landing. No searching for SIM cards, no complicated steps—just smooth, instant connectivity.”
Great Value
“The pricing was clear and affordable. I only paid for what I needed—no hidden costs. Definitely the smartest choice for my trip.”
Travel Without Stress
“Having internet everywhere made my trip so much easier. I could book rides, check maps, and stay in touch anytime.”
Traveler-Friendly Plans Simple, Flexible, and Affordable
Product Detail Product Detail
Device Info
Coverage: Japan Carrier: KDDI / SoftBank
Validity
Valid for 30 days from booking date Single-use only
What’s Included
- eSIM + Data Plan - Hotspot sharing supported - Voice / Call / SMS not included
How to Install
1. Click the setup link or open the QR code from your order (save or print if needed; iOS 17+ can save directly). 2. Go to Settings → Cellular Network (iOS) / SIM Card Management (Android). 3. Select Add Cellular Plan (iOS) / Add SIM (Android), then scan the QR code. 4. If scanning fails, enter the SM-DP+ Address & Activation Code from your receipt. If installation fails, your device may be carrier-locked. Please contact your operator to unlock.
How to Activate
- Disable your primary SIM and enable the eSIM. - Turn on Cellular Network (iOS) / SIM Card (Android). - Enable Data Roaming. - If still offline, set APN to cmhk and restart.
eSIM IP Address
This eSIM automatically switches IP addresses for the best connectivity: Mainland China apps → Hong Kong IP Other apps → Singapore IP
Customer Support
If you encounter any issues, please email your order number and problem details to jp-sim@machine-tech.jp.