Do I need a Japanese address to buy an eSIM?

No! AlwaySim eSIMs can be purchased from anywhere in the world. No Japanese address or residency card required. Simply purchase online and receive your QR code instantly.

Will my Japan eSIM work in rural areas and on trains?

Yes! Our Japan eSIM works throughout the country including rural areas, mountains, and Shinkansen bullet trains. Japan has excellent nationwide coverage with NTT Docomo, SoftBank, and KDDI/au networks.

Which networks does the Japan eSIM use?

Our Japan eSIM automatically connects to premium networks including NTT Docomo, SoftBank, and KDDI/au. You'll get the best available 4G/5G signal wherever you are in Japan.

Can I use hotspot with my Japan eSIM?

Yes! Most Japan eSIM plans support mobile hotspot/tethering. You can share your connection with other devices like laptops or tablets. Check specific plan details for any restrictions.

How fast is the internet speed in Japan?

Japan has world-class mobile network infrastructure. Expect 5G speeds up to 2 Gbps in Tokyo and major cities, and 4G LTE speeds of 50-150 Mbps nationwide. Perfect for video calls, streaming, and navigation.

Is the Japan eSIM cheaper than pocket WiFi?

Absolutely! Pocket WiFi rentals cost $8-15 per day and require airport pickup/return. Our Japan eSIM plans start from just $2.99, saving you money and hassle. No rental fees, no deposits, no returns needed.

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Japan eSIM Plans

Name: Japan eSIM Data Plans
Brand: AlwaySim
SKU: ESIM-JP-JAPAN-ESIM-DATA-PLANS
Availability: InStock

Instant 5G connectivity in Tokyo, Osaka, Kyoto & all of Japan

From $1.40·15s activation·Instant QR delivery·No contracts

How long are you in Japan?

days

Lightly

$1.40

1 GB for 7 days

Recommended

Normally

$3.40

3 GB for 7 days

Same price covers up to 10 days

Heavily

$8.20

7 GB for 7 days

Saves $1.20 on the nearest single plan

Every option here is valid for your whole trip, and you can add more data from your account at any time.

Networks:5G NTT Docomo · SoftBank · KDDI/au|Coverage:Tokyo · Osaka · Kyoto · Nationwide|Up to 2 Gbps · 99% of Japan

Purchase online

Choose your Japan eSIM plan and pay securely. Your QR code is sent instantly by email.

Install in 15 seconds

Tap the Quick Install link or scan the QR code with your phone camera to install the eSIM profile.

Connect on landing

Enable Data Roaming when you arrive in Japan. You're online on a local network.

Japan eSIM FAQ

Ready for Japan?

Get instant 5G connectivity from the moment you land in Tokyo

How It Works