Japan eSIM – Travel Data Plans
Seamless data across Japan - no borders, no interruptions.
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Japan eSIM Travel Data Plans

From £0.74

Network improvements

  • eSIM for Japan
  • Works on all unlocked eSIM supporting devices
  • Instant delivery of QR code
  • Shareable hot spot
  • daily limit with speed reduction after limit
Not sure which eSIM plan to choose?

Ask Simmy for a quick recommendation based on your destination and trip length.

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  • Works instantly across Japan.
  • No roaming charges or physical SIM swaps.
  • Share your connection across your devices.
  • Full-speed data for your trip.

Features

  • Use In: 🇯🇵
  • Top Up Available: Yes – all except daily plans
  • Data Only: Yes
  • SMS: Yes (API only)
  • Calls: No, only through apps (VOIP)
  • Device requirement: Your phone must support eSIM technology and be carrier unlocked. Please confirm compatibility before purchase. Check compatibility

Description

Get highest speeds in Japan with this eSIM plan. Start your eSIM instantly upon arrival in Japan and enjoy high-speed data with no hidden roaming fees.

This is a 3G/4G/5G data plan with daily limit with speed reduction after limit.

Technical Specs

  • Pre-Activation Days: 180 Days
  • Data Exit Country: HK, SG, JP
  • Hotspot: Yes
  • Network Speed: 3G/4G/5G
  • Speed Reduction: Yes (Speed Reduced after daily limit)
  • Coverage: JP
  • Networks: JP – NTT docomo 5G, JP – Rakuten Mobile 5G, JP – KDDI/au 5G, JP – SoftBank 5G, JP – NTT docomo 4G
  • Supported Countries: Japan
Plan

Japan 100MB 7Days, Japan 500MB 7Days, Japan 500MB Day Pass, Japan 1GB 7Days, Japan 1GB Day Pass, Japan 3GB 15Days, Japan 3GB 30Days, Japan 2GB Day Pass, Japan 3GB Day Pass, Japan 5GB 30Days, Japan 5GB Day Pass, Japan 10GB 30Days, Japan 10GB Day Pass, Japan 20GB 30Days, Japan 50GB 30Days, Japan 50GB 180Days
Fair Usage Policy Daily high-speed data allowance. Once exceeded, speeds reduce to 128-512 Kbps or 1-2 Mbps (best-effort) for unlimited basic browsing. Resets every 24 hours.

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