10 Best Data Only Japan Sim Cards

10 Best Data Only Japan Sim Cards - October 2025

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Last Updated: 16-10-2025

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Japan Prepaid Data-Only SIM Card (50GB) | No Time Limit | 5G High-Speed | Multiple Trips Ready | 3-in-1 SIM | Auto-Activation | Hotspot WiFi Sharing | Business Travel Ready | SoftBank Network

SIMBIRD

9.8

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Japan Prepaid Data Only SIM Card, 4.5G High Speed to 256kbps Unlimited Data | Auto-activation | Hotspot mobile WiFi | Ready to use for Business Travel | Docomo IIJmio Network (15 Days, 20GB)

SIMBIRD

9.6

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Best value

Japan Data ONLY Sim Card 30 Days | 10GB of 5G/4G LTE High-Speed Internet Data | Dual Local Japan Carriers, Softbank & KDDI | Travel Prepaid SIM Card | NO Phone Number| 短期帰国・短期来日最適・安心日本語サポート

SIM2ROAM

9.5

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Japan SIM card 15 days | Data ONLY | 10 GB of high-speed 4G LTE data | Japan Travel Sim card | NO registration, ID authentication needed! | NO phone number | 短期帰国・短期来日最適・安心日本語サポート

SIM2ROAM

9.2

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Happy 5G Japan 15 Days Unlimited Data Travel Sim Card | 8GB of 5G High-Speed Data Then 128kbps | No Daily Limit | No Registration Required | Easy Activation

HAPPY TELECOM

9.1

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Love Mobile Data Only Sim Card - International Multi-Network 4G/5G Prepaid Pay As You Go Data Sim for Mobile Phones, WiFi Routers, & More, Japan & UK Coverage, 5GB for 60 Days

love 2 surf

8.8

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Japan SIM Card 30 Days 10GB | Auto Activating | 5G Network With Tethering/HotSpot/Internet Sharing | Data Only No Voice

TSIM

8.6

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16% Off

Japan SIM Card 20 Days 10GB | Auto Activating | 5G Network With Tethering/HotSpot/Internet Sharing | Data Only No Voice

TSIM

8.4

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EIOTCLUB Prepaid Global SIM Card, 3GB/30Days Data SIM, Use in China/Japan/South Korea/the USA & 33 European Countries, 5G/4G High Speed Travel SIM, No Contracts or Roaming Fees, No Calls or SMS

EIOTMART

8.2

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ASIA Prepaid Data Only SIM Card (6GB,12 Days) 4G High Speed 3 IN 1 SIM | Ready to use for 12 countries | Hotspot mobile WiFi | Japan Korea Philippines Indonesia Singapore Malaysia Laos Vietnam

SIMBIRD

8.1

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Japan Prepaid Data-Only SIM Card (50GB) | No Time Limit | 5G High-Speed | Multiple Trips Ready | 3-in-1 SIM | Auto-Activation | Hotspot WiFi Sharing | Business Travel Ready | SoftBank Network

Japan Prepaid Data Only SIM Card, 4.5G High Speed to 256kbps Unlimited Data | Auto-activation | Hotspot mobile WiFi | Ready to use for Business Travel | Docomo IIJmio Network (15 Days, 20GB)

Japan Data ONLY Sim Card 30 Days | 10GB of 5G/4G LTE High-Speed Internet Data | Dual Local Japan Carriers, Softbank & KDDI | Travel Prepaid SIM Card | NO Phone Number| 短期帰国・短期来日最適・安心日本語サポート

Japan SIM card 15 days | Data ONLY | 10 GB of high-speed 4G LTE data | Japan Travel Sim card | NO registration, ID authentication needed! | NO phone number | 短期帰国・短期来日最適・安心日本語サポート

Happy 5G Japan 15 Days Unlimited Data Travel Sim Card | 8GB of 5G High-Speed Data Then 128kbps | No Daily Limit | No Registration Required | Easy Activation

Love Mobile Data Only Sim Card - International Multi-Network 4G/5G Prepaid Pay As You Go Data Sim for Mobile Phones, WiFi Routers, & More, Japan & UK Coverage, 5GB for 60 Days

Japan SIM Card 30 Days 10GB | Auto Activating | 5G Network With Tethering/HotSpot/Internet Sharing | Data Only No Voice

Japan SIM Card 20 Days 10GB | Auto Activating | 5G Network With Tethering/HotSpot/Internet Sharing | Data Only No Voice

EIOTCLUB Prepaid Global SIM Card, 3GB/30Days Data SIM, Use in China/Japan/South Korea/the USA & 33 European Countries, 5G/4G High Speed Travel SIM, No Contracts or Roaming Fees, No Calls or SMS

ASIA Prepaid Data Only SIM Card (6GB,12 Days) 4G High Speed 3 IN 1 SIM | Ready to use for 12 countries | Hotspot mobile WiFi | Japan Korea Philippines Indonesia Singapore Malaysia Laos Vietnam

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