20 GB eSIM
Japan
Smartroam
Duration
30 Days
Plan
Data
Speed
4G / 5G
Price
$27.75
Top Seller
Language
Currency
Japan eSIM – 20GB for 30 Days
Stay Connected, Anywhere.
Just Like Home
.png)
Buy a Japan eSIM and get fast, reliable data while you travel.
Enjoy 20GB of 4G and 5G speeds across Japan with no contracts, no roaming fees, and no need to swap SIM cards. Just scan your eSIM, activate in 3 minutes, and you're good to go.
Use it for navigation, streaming, video calls, or staying in touch back home. With live help and a no-quibble refund guarantee, this plan is designed for total peace of mind.
Coverage
JapanWhen you purchase this plan
You’ll receive instructions to download and connect immediately. To make the most of this eSIM plan, please install it just before takeoff, or as soon as you land.
Features
- Plan type: Data only
- Days of use: 30 days
- Data: 20 GB
- Local phone number: No
- Calls & texts: VoIP only (WhatsApp, Skype, FaceTime, etc.)
- Hotspot & tethering: ✅
- Top-up: Available (in the Sim Local app)
- Speeds: 3G/4G/LTE/5G
Start date
This eSIM plan starts when it connects to a network. In most cases, your phone won’t connect to a network until you reach your destination.
This is a Pay-As-You-Go plan
✅ No contracts
✅ No roaming charges or hidden fees
✅ No ID or proof of address required
✅ No credit checks
✅ No quibble refunds
Country coverage
Networks: NTT DoCoMo Inc
Coverage: Japan
Expect strong, reliable coverage in major cities and urban areas, ensuring reliable connectivity where you need it most. In remote, rural, or less populated regions—such as mountains, deserts, or countryside—signal strength and data speeds may vary depending on the local network infrastructure. Need help? Speak to a real person on WhatsApp!
Please see: Operator Terms & Conditions
20 GB Japan eSIM Questions, Answered
- Will this eSIM work across the whole of Japan?
Yes. It offers 4G and 5G coverage across Japan, including major cities like Tokyo, Kyoto, Osaka, and rural areas depending on local network availability.
- Can I use this eSIM for Google Maps, YouTube, or messaging apps while travelling?
Absolutely. The 20GB plan gives you plenty of data for navigating, streaming, uploading, and staying connected on apps like WhatsApp, Instagram, and LINE.
- How long does setup take once I buy?
Just a few minutes. You’ll receive a QR code or download link to install the eSIM directly onto your device. No need to visit a store or swap out your physical SIM.
ONE CLICK. DONE
- Set up faster with one-click downloads in the Sim Local app.
- Manage all eSIM plans in one place.
- Check data usage & top up on the go.*
*Available with most plans
