eSIM for Japan
Fast, reliable 5G data across Japan – no roaming fees, no physical SIM
- eSIM for Japan
- Works on all unlocked eSIM supporting devices
- Instant delivery of QR code
- Shareable hot spot
- Full high speed data, no throttle
Get the best eSIM data plan for Japan:
Standard plans with data volume limits
Unlimited plans include a daily high-speed allowance, then reduced speeds.
Can I activate my plan later?
All plans, unless otherwise stated, have a 180-day activation period. If you get a plan today and don't activate it until October 18, 2026, it will be activated automatically.
Why Choose Planet eSIM for Japan
Travel smarter in Japan with Planet eSIM - the fastest, easiest way to get mobile data without a SIM card.
Our Japan eSIMs connect you instantly to SoftBank and KDDI networks for unbeatable nationwide coverage.
Enjoy:
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Seamless 5G and 4G speeds across Japan
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No roaming or hidden charges
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Instant activation via QR code
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Flexible data plans for any trip length
How to Activate Your Japan eSIM
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Choose your preferred plan.
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Scan the QR code received by email.
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Your eSIM profile installs instantly - no app needed.
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Activation begins automatically when you arrive in Japan.
Compatible with:
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iPhone XS, XR, and all newer devices.
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Samsung Galaxy S20 and newer
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Google Pixel 4 and newer
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Huawei, Oppo, and others that support eSIM
Coverage in Japan
Planet eSIM ensures excellent speeds and network reliability across Tokyo, Osaka, Kyoto, Sapporo, and beyond.
Partner networks: SoftBank, KDDI
5G availability: Major urban areas and Shinkansen routes
Plan Features
- Available in: 🇯🇵 Japan
- Top Up: Yes (standard plans)
- Data Only: Yes
- SMS: Not included
- Calls: Not included – use apps like WhatsApp, FaceTime, or Teams
eSIM Description
Travel with a prepaid Japan eSIM Stay connected in Tokyo’s bustling Shibuya Crossing, explore Kyoto’s ancient temples, or take in the views of Mount Fuji with reliable high-speed data. With Planet eSIM, you can activate your plan instantly upon arrival and enjoy seamless connectivity for maps, transport apps, and sharing your journey across Japan without hidden roaming charges.This plan provides full-speed 5G/4G data with hotspot support.
Technical Details
- Pre-Activation Validity: 180 Days
- Hotspot/Tethering: Supported
- Speed Limits: No throttling (standard plans)
- Networks: SoftBank 5G, KDDI/au 5G
- Supported Country: Japan
Standard vs Unlimited Plans
We offer two plan types for this destination: Standard and Unlimited.
Both are data-only eSIM plans and support hotspot / tethering on compatible devices.
Standard = fixed data at full speed
Unlimited = daily high-speed data, slower speeds after
Standard Plans
- Data: Fixed total allowance (e.g. 3GB, 5GB, 10GB)
- Speed: Full speed until all data is used
- When used up: Top-up required (if available) or buy a new plan
Best for: short trips, lighter usage, maps, messaging, email,
and predictable data needs.
Unlimited Plans (Fair Usage)
- Total data: Unlimited for the duration of your plan
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High-speed allowance:
Daily limit chosen at checkout
(e.g. 500MB/day, 1GB/day, 2GB/day) -
After daily limit:
Speeds reduced to approximately 2G levels until the next daily reset -
Reduced speeds:
Suitable for messaging, email, and light browsing
(not suitable for streaming or video calls)
Best for: longer stays, remote work, hotspot use,
and consistent daily data usage.
If you need high-speed access all day, choose a higher daily allowance.
If you mainly use data for messaging and occasional browsing, a lower allowance is usually sufficient.
FAQ - Japan eSIM
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01Can I use my Planet eSIM on multiple devices?
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Each eSIM can only be installed once on a single compatible device.
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02Does it work on the Shinkansen or in rural areas?
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Yes, coverage extends to most high-speed rail routes and regional cities.
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03Can I call or text with this eSIM?
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These plans are data-only - use WhatsApp, FaceTime, or Skype for calls.
Why businesses choose Planet eSIM for Japan
Reliable data. Simple setup. Built for business.
Dedicated business support
Access knowledgeable support from a UK-based telecoms team with decades of experience supporting global connectivity deployments.
Rapid deployment at scale
Provision eSIMs in minutes via QR code. Ideal for onboarding staff, partners, or customers without logistics overhead.
One eSIM, global footprint
Use a single Planet eSIM across 180+ destinations, reducing operational complexity and eliminating the need to manage multiple local SIMs.
Usage visibility and control
Monitor data consumption, manage top-ups, and prevent service interruption with proactive usage alerts and centralised management.
Secure by design
Enterprise-grade infrastructure ensures data privacy and reliable performance for business-critical applications.
Regional and global plans
Combine coverage with regional or global data plans to support multi-country operations and mobile teams.
