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Japan eSIM

Stay connected across Japan

Temple towns and neon cities

Recommended

10 GB

30 days · 5G

$6.71

Ideal for most holidays and business trips. Enough data for maps, messaging, social media and video calls without paying for unused data.

10 GB 30 days · 5G

Japan 10GB 30Days

Buy now
  • Instant delivery
  • One-click install

Plan details

Product facts

Speed

3G/4G/5G

Coverage

Nationwide

Personal Hotspot

Supported

Top-up

Available

Activation

Automatic on first network

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Coverage & networks

  • KDDI/au 5G
  • NTT docomo 5G
  • Rakuten Mobile 5G
  • SoftBank 5G

Want a different plan?

More data · Longer validity · Lower price

Looking beyond Japan?

Regional plans that include Japan.

From $5.15

Need broader coverage?

Worldwide plans that include Japan.

From $6.58

Why travelers choose SparkRoam

Live eSIM coverage across 196+ destinations

How it works

  1. Choose a plan for your destination.
  2. Pay securely and receive your eSIM by email.
  3. Open your install link, set up the eSIM, and connect when you arrive.
  • Instant delivery
  • One-click install
  • Trusted networks
  • Money-back guarantee
Does your phone support eSIM?

Only needed if you are unsure — most modern phones already support eSIM.

Quick check (works on most phones)

On your phone, dial *#06#. If an EID is displayed, your device supports eSIM.

If dialing isn’t available or doesn’t show an EID

iPhone

Settings → General → About → look for EID.

Android

Settings → About phone (or Network & Internet → SIMs, depending on the manufacturer) → look for EID or eSIM.

Common questions

  • When should I install my eSIM?

    Install before you travel when you have Wi‑Fi. Turn the line on when you arrive so it can connect to a local network.

  • Will this replace my regular SIM?

    No. Your travel eSIM works alongside your primary line. Keep your usual number for calls and texts while using travel data.

  • Can I share my connection?

    Many plans support hotspot or tethering. Check the plan details for hotspot availability before you buy.

  • What is the refund policy?

    If your eSIM cannot be installed or activated because of a platform issue, contact support for a refund review before the plan is used.

  • What about network quality?

    Plans use partner mobile networks in each destination. Availability and speed follow local coverage — check the plan details for the destinations included.