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Japan + Korea eSIM (Instant Delivery)

Nagawa, Japan
Self-Drive Tours
Instant confirmationSecure checkoutNo hidden fees

About this activity

Stay connected across Japan and South Korea with an instant eSIM that delivers within minutes—no physical SIM cards, no airport hassles. Prepaid mobile data works on 4G LTE and 5G networks, ideal for navigation, maps, and messaging during your month-long trip.

• Receive eSIM QR Code within minutes.
• Simply scan the designated QR Code to set up the eSIM.
• Validity Date: eSIM plan starts upon installation.
• Plan Type: Mobile Data only. Voice and SMS not supported.
• Mobile Hotspot: Supported.
• Billing: One-time prepaid package with no auto-renewals or contracts.
• Compatibility: Works with eSIM-compatible devices that are not carrier locked. Please be aware that most devices bought in China and Hong Kong do not support eSIM. It’s advisable to check online to see if your device is eSIM-compatible, or contact your service provider.
• Do ensure your travel plans are confirmed. No refunds or cancellations are given due to eSIM compatibility issues or changes in the itinerary.
• Support: Please respond to the email from the Viator Supplier for any assistance or queries.
• Expiration: Start using the eSIM within one-month of purchase.
• *Connections to major local mobile network at 4G LTE or 5G speeds, depending on availability.

Highlights

  • ✓Instant QR code delivery—activate in minutes, not hours
  • ✓30-day validity from activation; use data freely with no contracts
  • ✓Mobile hotspot enabled for sharing internet with travel companions
  • ✓4G LTE and 5G coverage across both Japan and South Korea
  • ✓One-time prepaid cost (EUR 18 from); no hidden renewal fees

Insider tips

  • ★Activate your eSIM only when you land or arrive at your first accommodation to maximize your 30-day window—don't install it at home.
  • ★Test eSIM compatibility on your phone before departure; devices sold in China and Hong Kong often lack eSIM support.
  • ★Download offline maps of Nagawa and major cities before relying on data, in case of network gaps in rural areas.

Good to know

  • •eSIM requires a compatible, unlocked device (check your phone manufacturer or carrier first—most Western devices support it).
  • •Data only: calls and SMS are not included; use WhatsApp, Viber, or local apps instead.
  • •Must activate within one month of purchase; no refunds for device incompatibility or itinerary changes.
  • •Contact supplier via email for support; no phone hotline available.
  • •Mobile hotspot is supported, so you can share data with other devices.

Who it's for

Road-trippers and self-drive explorers who need reliable GPS and navigationSolo and group travellers seeking budget-friendly, hassle-free mobile dataDigital nomads and remote workers requiring consistent connectivity across two countriesTravellers who prefer eSIM convenience over swapping physical SIM cards

Best time to visit

Activate your eSIM upon arrival in Japan or South Korea to start your 30-day countdown. There is no optimal time of day—activation is instant once you scan the QR code, so you can set up connectivity as soon as you clear the airport.

Frequently asked questions

Available
From€19
per person