13 Amazing Sim Card Japan For 2024

Mobile Operating Systems

Are you traveling to Japan in 2023 and in need of a reliable Sim card? Look no further! We have compiled a list of the 13 most amazing Sim cards Japan has to offer for 2023. Stay connected and enjoy seamless communication during your visit to the Land of the Rising Sun with these top-rated Sim card options. Whether you need data for browsing, calling minutes, or text messages, there is a perfect Sim card for every traveler's needs. Don't miss out on staying connected and making the most of your travels in Japan with these 13 amazing Sim card options.

 

The Japan Data ONLY SIM Card is a convenient solution for travelers who need unlimited internet data during their visit to Japan. With 10GB of data available at high-speed 4G LTE, and unlimited data at a reduced speed of 128kbps after, users can browse the web, use social media, and stay connected throughout their trip. The SIM card supports hotspot tethering for mobile phones and tablets, making it easy to share the internet connection with other devices. The SIM card comes with all SIM sizes and English user instructions, and no activation or registration is required. With 24/7 English customer support available, users can receive assistance whenever needed. Please note that phone calls and texts are not available with this SIM card. Overall, the Japan Data ONLY SIM Card is a reliable and convenient option for travelers in Japan.

Key Features

  • Good for 15 days use with unlimited Internet Data (10GB at 4G LTE High-Speed then downgrade to 128kbps)
  • Available for Hotspot tethering (only for Mobile phones) and tablets
  • No Activation or registration is needed, simply insert the SIM into your unlocked device and it will be ready to use!
  • Tri-cut SIM. All SIM sizes are available, including standard/micro/nano SIM. Pack comes with English user instruction
  • NO Phones Calls or Texts. No refill available.
  • 24/7 English Customer Support available.
  • Specifications

  • Dimension: 4.33Lx3.94Wx0.04H
  • Pros

  • Good for 15 days of unlimited internet data
  • Easy to use, no activation or registration required
  • Can be used for hotspot tethering
  • Comes with all SIM sizes and English instructions
  • 24/7 English customer support available
  • Cons

  • No phone calls or texts available
  • Some users experienced connectivity issues
  • Limited data speed after 10GB
  •  

    The Japan Data ONLY SIM Card is a reliable solution for travelers in need of unlimited internet data during their trip to Japan. With easy set-up, hotspot tethering capabilities, and 24/7 customer support, it provides convenience and peace of mind. However, the lack of phone calls and texts, as well as occasional connectivity issues reported by some users, are notable downsides. Overall, it offers good value for the price and is highly recommended for those who rely on internet connectivity during their travels.

     

    The Nippon SIM for Japan 30days 3GB 4G-LTE Data provides a seamless solution for travelers and those returning to Japan, offering a reliable and convenient option for mobile data connectivity. Utilizing the extensive Docomo network, this SIM card promises reliable and fast connections, particularly in rural areas, and comes with multilingual support and simple installation, reducing the hassle of setup. The product's applicability to various SIM-free devices and versatility in terms of usage further enhance its value. While it has garnered positive feedback for its performance and convenience, some users have experienced challenges with setup and activation, posing potential drawbacks for certain individuals.

    Key Features

  • 3GB of LTE data for 30 days use on Docomo network
  • Package includes Docomo Full MVNO SIM card, multilingual manual, and SIM PIN
  • Supports SIM Free devices including smartphones, tablets, and LTE-enabled PCs
  • Local Japan support and simple installation
  • Expiry Date & activation limitations for new activations
  • Specifications

  • Color: 30days 3GB
  • Pros

  • Reliable connectivity, ideal for travel in Japan
  • Supports a wide range of SIM-free devices
  • Multilingual support and simple installation
  • Cons

  • Challenges with activation and setup reported by some users
  • Potential limitations for heavy data users
  •  

    The Nippon SIM for Japan 30days 3GB 4G-LTE Data offers a valuable solution for individuals seeking reliable mobile data connectivity in Japan. With its broad network coverage and user-friendly setup, it provides a convenient option for short-term visitors and returning locals. However, potential challenges with activation and data limitations may require careful consideration for certain users.

     

    The Nippon SIM for Japan 180days 30GB 4G-LTE Data offers heavy data users 30GB of LTE data over 180 days, with tethering capabilities, Japan local support, and no activation or contract required. It is designed for mid-term visitors, locals returning to Japan, or frequent business travelers. The SIM card utilizes the Docomo network for broad and stable connections, and the product is produced by a Japan local MVNO carrier, offering end-to-end support. It is compatible with SIM-free devices and provides a package with a tri-cut SIM card, manual in 5 languages, SIM PIN, and small plastic bag for storage. Users must begin using the SIM before 2024/6/30 for full utilization of the 180-day period. Installation instructions are provided for both iPhone and Android users.

    Key Features

  • 30GB LTE data over 180 days with tethering capabilities
  • Utilizes Docomo network for broad and stable connections
  • Produced by a Japan local MVNO carrier for end-to-end support
  • Compatible with SIM-free devices including i Phone, i Pad, smartphones, and tablets
  • Comes with a tri-cut SIM card, manual in 5 languages, SIM PIN, and small plastic bag
  • Must be used before 2024/6/30 for full utilization of the 180-day period
  • Specifications

  • N/A
  • Pros

  • Long-term data usage without the need for frequent SIM purchases
  • Utilizes Japan's largest carrier for broader and stable connections
  • Japan local support provides peace of mind and end-to-end assistance
  • Does not require data roaming, offering faster access and higher security
  • Compatible with a variety of SIM-free devices and comes with a complete package
  • Easy installation instructions provided for both i Phone and Android users
  • Cons

  • Reported issues with slow speeds and incorrect data allocation
  • Some users experienced difficulty with LTE connection and hotspot capabilities
  •  

    The Nippon SIM for Japan 180days 30GB 4G-LTE Data offers a convenient solution for heavy data users traveling to Japan. With its long-term data usage, Japan local support, and ease of installation, it provides a viable option for mid-term visitors, locals returning to Japan, or frequent business travelers. However, reported issues with slow speeds and incorrect data allocation should be taken into consideration before purchase.

     

    The Japan SIM Card is a 4G high-speed operating network, data-only sim card designed for business travel. It offers 3-in-1 Standard, Micro & Nano prepaid SIM options with 20GB data for 90 days. The card comes with a user manual for easy activation before travelling to Japan. The network is provided by KDDI & DOCOMO. The card is valid for 9 months from the date of purchase. Customer support is available for troubleshooting and activation.

    Key Features

  • Japan data only 3-in-1 sim card
  • 20GB data for 90 days
  • High-speed 4G network by KDDI & DOCOMO
  • Valid for 9 months from purchase date
  • Comes with a user manual for easy activation
  • Customer support for troubleshooting
  • Specifications

  • Dimension: 3.35Lx2.17Wx0.04H
  • Pros

  • High-speed 4G network
  • Ample data for 90 days
  • User manual for easy activation
  • 9-month validity
  • Customer support available
  • Cons

  • Confusing activation instructions
  • Some users faced activation issues
  • Limited phone functionality
  • No support for some technical issues
  • Inconsistent data connectivity
  •  

    The Japan SIM Card offers a convenient prepaid data solution for business travelers, with generous data allowances and support for troubleshooting. The 4G network ensures fast and reliable connectivity, although some users may encounter challenges with activation and technical support. Overall, it’s a valuable option for short-term trips to Japan.

     

    The Asia SIM Card 30Days 5GB offers a convenient and cost-effective solution for travelers visiting multiple Asian countries. With 5GB of data valid for 30 days and coverage in countries such as Japan, Korea, Thailand, HK, Singapore, and more, it provides seamless connectivity. The 3 in 1 Sim Card fits into most unlocked phones, and the activation process ensures a smooth start to your travel experience. Additionally, satisfactory customer service is available for any assistance needed. However, it's important to note that this SIM card is exclusively for data usage and does not support calls or SMS.

    Key Features

  • Warm Tips for Activation
  • Activation Required on Website
  • Coverage in Multiple Asian Countries
  • Data Only SIM with 5GB for 30 days
  • 3 in 1 Sim Card
  • Satisfactory Customer Service
  • Specifications

  • Dimension: 2.00Lx2.00Wx2.00H
  • Pros

  • Wide coverage in Asia
  • 5GB data for 30 days
  • Fits almost all unlocked phones
  • Cons

  • No calls or SMS available
  • Activation process required
  •  

    The Asia SIM Card 30Days 5GB is a top choice for travelers seeking reliable data connectivity across multiple Asian countries. With wide coverage, ample data, and customer support, it’s a valuable companion for hassle-free travel.

     

    The SoftBank Japan Prepaid SIM Card offers 20GB of internet data in 4G/LTE for 20 days, with 1GB available for each day. It is designed for use in Japan and supports both iPhone and Android devices. The triple cut sim card ensures compatibility with all unlocked smartphones, while the activation process is simple and no setup is required. The sim card works on the SoftBank network in most areas of Japan, making it a convenient option for travelers. However, some users have encountered issues with the sim card not functioning as expected. Overall, it provides a decent data option for those visiting Japan.

    Key Features

  • 1GB 4G/LTE and unlimited 3G data daily
  • Works on Soft Bank network in most areas of Japan
  • Triple cut sim card for all unlocked smartphones
  • Simple activation process with no setup required
  • 20-day validity period
  • Specifications

  • Dimension: 1.00Lx1.00Wx0.50H
  • Pros

  • Generous 20GB data allowance
  • No setup or activation required
  • Triple cut sim card for device compatibility
  • Cons

  • Reported issues with installation and functionality
  • Some users experienced language and data problems
  • Inconsistency with device compatibility
  •  

    The SoftBank Japan Prepaid SIM Card offers a generous data allowance for travelers visiting Japan. While it provides a convenient and easy-to-use option for staying connected, some users have encountered issues with functionality and device compatibility. Overall, it offers a decent data solution for those traveling to Japan.

     

    The Japan Data ONLY SIM Card offers unlimited internet data for 7 days, with 5GB of high-speed data and 256kbps speed thereafter. It is a plug and play card with no registration required and free activation. The SIM card is compatible with all 4G/3G phones and has coverage across Japan. Please note that the card only provides internet access and does not support voice or SMS functions. If you have any queries, the customer service team is available to assist within 24 hours. However, there have been mixed reviews regarding signal issues and difficulties in reaching customer service. Overall, this product may not be recommended for those seeking reliable data connectivity during their trip to Japan.

    Key Features

  • 7 days unlimited data SIM card in Japan
  • Plug and play, no registration required, free activation
  • 3 in 1 Nano, Micro, Regular SIM card
  • Universal for all 4G/3G phones
  • After 5GB high-speed data, speed limited to 256kbps
  • Customer support available within 24 hours
  • Specifications

  • Dimension: 0.47Lx0.31Wx0.10H
  • Pros

    Cons

  • Signal issues reported
  • Difficulties in reaching customer service
  •  

    The Japan Data ONLY SIM Card provides tourists, business people, and frequent travelers with 7 days of unlimited internet data in Japan. While the card offers convenient plug and play usage without any registration, it falls short in terms of signal reliability and customer service accessibility. The SIM card is compatible with all 4G/3G phones and provides fast data speeds up to 5GB, after which the speed is limited to 256kbps. However, given the reported signal issues and challenges in contacting customer service, it may be wise to explore alternative options for reliable data connectivity during your stay in Japan.

     

    The LBDCIOT Japan 20 Days Unlimited Data SIM Card offers unlimited data for 20 days in Japan, with no registration required and free activation. It is suitable for tourists, business people, and frequent travelers, with universal compatibility for all 4G/3G phones. However, it does not support voice or SMS, and returns are not supported for canceled trips or unsupported phones. The SIM card offers unlimited speed after high speed 4G is used up, and comes with a dimension of 3.94Lx1.97Wx0.39H.

    Key Features

  • 20 days unlimited data SIM card in Japan
  • 3 in 1 = Nano, Micro, Regular SIM card
  • Universal for all 4G/3G cell phones
  • Unlimited speed limit after high speed 4G is used up
  • Specifications

  • Dimension: 3.94Lx1.97Wx0.39H
  • Pros

  • Unlimited data for 20 days in Japan
  • Universal compatibility for all 4G/3G phones
  • Unlimited speed after high speed 4G is used up
  • Cons

  • Does not support voice or SMS
  • Returns not supported for canceled trips or unsupported phones
  •  

    The LBDCIOT Japan 20 Days Unlimited Data SIM Card is a convenient option for travelers in need of unlimited data while in Japan, but may not be the most cost-effective for some users. Its universal compatibility and unlimited speed after high speed 4G usage are attractive features, but the lack of support for voice and SMS, as well as the restrictions on returns, may deter some potential users.

     

    The Japanese Data Only SIM Card provides a convenient solution for travelers visiting Japan who require a reliable and high-speed internet connection. With a 50GB data bundle and fast 4G LTE speeds, this SIM card allows users to stay connected for 31 days, starting from the first use in Japan. The SIM card is data-only, which means standard voice calls are not supported. However, messaging and calling can still be done using apps like WhatsApp. One of the major advantages of this SIM card is that it doesn't have overage charges, and even if you use up the entire bundle, the speed will throttle to 200Mbps but it will not stop working. The SIM card comes in three parts to fit any SIM size requirements, and it requires an unlocked device to work.

    Key Features

  • 31 day bundle period starts on first use in Japan
  • Fast 4G data roaming speeds
  • Your device must be unlocked
  • It is not possible to add additional data
  • Data only – No Standard Voice Calls
  • No overage charges
  • Three Part SIM to fit any sim size requirements
  • If you use the entire bundle the speed with throttle to 200Mbps but will not stop working.
  • Specifications

  • N/A
  • Pros

  • Sufficient 50GB data bundle for Japan travel
  • Fast and reliable 4G LTE speeds
  • No overage charges
  • Does not stop working even after bundle is used
  • Cons

  • Instructions can be confusing
  • May require manual network selection every 20 minutes
  • Some users experienced activation issues
  •  

    The Japanese Data Only SIM Card offers an excellent solution for travelers seeking reliable internet connectivity during their visit to Japan. With a sizable 50GB data bundle, fast 4G LTE speeds, and the ability to continue using the internet even after the bundle is used up, this SIM card provides great value for money. While some users have encountered activation issues and the instructions could be clearer, the overall performance and affordability of this SIM card make it a worthwhile option for those in need of data-only connectivity in Japan.

     

    The GMYLE 4G LTE 3G Travel Data SIM card allows you to travel throughout 17 countries in the Asia Pacific region without changing SIM cards. You can refill from anywhere using your smartphone, and it offers exclusive customer support throughout your trip. The prepaid high-speed unlimited 4G data plan is valid for 14 days and does not require activation. It is an easy and simple solution for travelers looking for convenient data plans.

    Key Features

  • No activation needed, just insert the SIM
  • Prepaid high-speed unlimited 4G data
  • Refill from anywhere
  • Supports Asia-Pacific travel
  • Exclusive customer support
  • Specifications

  • Color: Asia-Pacific 17 Countries/Regions
  • Size: 14 Days
  • Pros

  • Easy to use
  • Unlimited 4G data
  • Support in multiple countries
  • Refillable data plan
  • Cons

  • Data inaccuracies reported
  • Issues in some countries
  • Limited troubleshooting advice
  •  

    The GMYLE prepaid SIM card offers convenience and flexibility for Asia Pacific travel, with some reported inaccuracies and limitations. However, the overall features and availability make it a viable option for travelers looking for data plans in multiple countries.

     

    The LBDCIOT Japan Data Only SIM Card offers 30 days of unlimited internet data for iPhone and Android devices. It operates on the Docomo and KDDI networks in Japan, with hotspot tethering supported. The SIM card is a 3-in-1 design and is suitable for tourists, business people, and frequent travelers. It provides universal compatibility with all 4G/3G phones and has no voice or SMS capabilities. The card comes with free activation, no registration required, and resets to unlimited speed after high speed 4G usage each day.

    Key Features

  • 30 days unlimited data SIM card in Japan
  • 3 in 1 = Nano, Micro, Regular SIM card
  • Voice/SMS not supported
  • Universal for all 4G/3G cell phones
  • 24-hour customer support
  • Specifications

  • Dimension: 3.94Lx1.97Wx0.39H
  • Pros

  • Unlimited internet data for 30 days
  • Easy plug and play setup
  • Suitable for all 4G/3G phones
  • Free activation with no registration
  • Hotspot tethering supported
  • Cons

  • No voice or SMS capabilities
  • High speed 4G usage limit
  •  

    The LBDCIOT Japan Data Only SIM Card provides a convenient and affordable solution for accessing unlimited internet data in Japan. Its universal compatibility, easy setup, and reliable customer support make it a great choice for travelers. However, users should be aware of the high speed 4G usage limit and lack of voice/SMS capabilities.

     

    The SnailMobile Japan Travel SIM Card is a 3-in-1 prepaid international SIM card designed for business travel. With 7 days of unlimited data and 2.2GB of high-speed 4G data, this SIM card ensures you stay connected throughout your trip to Japan. Simply insert the SIM card into your unlocked phone, activate it, and you're ready to go. The plan comes with a 3-in-1 SIM card that fits standard, micro, and nano sizes. You'll also receive a user manual for easy setup. Live customer support is available if you have any questions or need assistance. Please note that after the initial high-speed data is used up, the speed will be reduced to unlimited 128kbps data.

    Key Features

  • 7 days of 2.2GB high-speed data in Japan
  • 3-in-1 SIM card (standard, micro, and nano sizes)
  • Easy activation and setup
  • Live customer support available
  • Unlimited 128kbps data after high-speed data is used up
  • Specifications

    Pros

  • Unlimited high-speed data for the first 2.2GB
  • Fits all types of SIM card slots
  • Easy to activate and set up
  • Live support for customer inquiries
  • Cons

  • Speed reduced to 128kbps after initial data is used
  • Possible delays in areas with poor network signal
  •  

    The SnailMobile Japan Travel SIM Card is a convenient option for business travelers who want to stay connected during their trip to Japan. With 7 days of unlimited data and easy activation, you can start using the SIM card right away. The 3-in-1 design ensures compatibility with any device, and live customer support is available to assist you. However, keep in mind that the speed will be reduced to 128kbps after the initial high-speed data is used. Overall, it offers a reliable and hassle-free way to access the internet while traveling in Japan.

     

    The Japan Travel Prepaid SIM Unlimited Docomo Data Only is a convenient 3-in-1 SIM card that provides unlimited data on the Docomo network for travelers to Japan. With easy setup and a one-month usage period from the date of purchase, it offers flexibility and simplicity for staying connected while in Japan. The SIM card is multi-cut, making it compatible with various devices, and can be used for tethering. However, there have been mixed customer reviews regarding its functionality, with some experiencing issues with compatibility and local customer support.

    Key Features

  • Same day use OK!
  • Easy usage steps
  • Can start at any time
  • Multi-cut SIM for any devices
  • Specifications

  • Network: Docomo
  • Voice: No
  • Sms: No
  • Tethering: Yes
  • Usage Period: One month from purchase
  • Pros

  • Same day use
  • Easy setup
  • Unlimited data
  • Cons

  • Compatibility issues
  • Limited local support
  •  

    The Japan Travel Prepaid SIM offers a convenient and flexible option for travelers needing data in Japan, but its functionality seems to vary based on user experience. Despite some negative feedback, the SIM’s easy setup and unlimited data make it a viable choice for those looking for short-term connectivity while in the country.

     

    Buyer's Guide: SIM Card Japan

    *By Your Expert Advisor*

    Choosing the Right SIM Card for Your Trip to Japan

    When traveling to Japan, having a reliable SIM card is vital for staying connected and navigating your way around the country. With many options available, it's essential to choose the right SIM card that suits your travel needs. Here's a buyer's guide to help you make an informed decision.

    Things to Consider

    • Coverage: Consider the areas you'll be visiting. Ensure the SIM card provides coverage in both urban and rural areas.
    • Data Limit: Determine your data usage needs. If you'll be using the internet extensively, opt for a SIM card with a higher data limit.
    • Duration of Stay: If you'll be in Japan for a short time, look for a SIM card with a shorter validity period to avoid wastage.
    • Compatibility: Ensure that the SIM card is compatible with your device. Some SIM cards only work with unlocked phones.
    • Additional Features: Some SIM cards offer added features such as free calls or text messages. Consider these extras if they align with your needs.

    Types of SIM Cards

    When it comes to SIM cards for Japan, several options are available to cater to different preferences and budgets. Here are the common types:

    • Prepaid SIM Cards: Ideal for travelers who want the flexibility of pay-as-you-go, as well as no commitment to a contract.
    • Data-Only SIM Cards: For those who prioritize internet access over making calls or sending texts. These are convenient for staying connected while on the go.
    • Voice and Data SIM Cards: Suited for travelers who require both internet access and the ability to make calls.
    • Unlimited Data SIM Cards: Perfect for heavy internet users who require a high data allowance without worrying about excess charges.

    Where to Purchase

    When it comes to buying a SIM card for Japan, options abound. Here's where you can find them:

    • Airports: Many airports in Japan have kiosks or vending machines that sell SIM cards, making it convenient for travelers upon arrival.
    • Electronics Stores: Visit popular electronics stores such as Bic Camera, Yodobashi Camera, or SoftBank to purchase a SIM card.
    • Online Retailers: Several online platforms offer SIM cards for Japan, allowing you to purchase and activate them before your trip.
    • Convenience Stores: Some convenience stores in Japan, like 7-Eleven and FamilyMart, sell SIM cards, making it easy to grab one while out and about.

    Activation and Registration

    It's important to note that some SIM cards require activation and registration before use. Here's what to keep in mind:

    • Activation Process: Some SIM cards need to be activated online or via a dedicated app. Ensure you have access to the necessary resources to complete this process.
    • Registration Requirements: Depending on the SIM card, you may need to provide personal details and identification in order to register the card.
    • Language Support: If you're not fluent in Japanese, consider choosing a SIM card that offers customer support in English to assist with any activation or registration issues.

     

    Frequently Asked Questions

    Q: What is the average cost of a Japan SIM card?
    A: The cost varies based on the type of SIM card and the data allowance. Expect to pay between $20 to $60 for a standard data SIM card.

    Q: Can I use my current SIM card in Japan?
    A: Most international SIM cards will work in Japan, but roaming charges may apply. It’s often more cost-effective to purchase a local SIM card for your trip.

    Q: Is it possible to top up my data allowance while in Japan?
    A: Yes, many Japanese mobile providers offer top-up services, allowing you to increase your data allowance as needed.

    Q: Will my phone need to be unlocked to use a Japan SIM card?
    A: Yes, your phone will need to be unlocked if you plan to use a local SIM card in Japan. Check with your current service provider for details on unlocking your device.

    Q: Are there any SIM cards that offer unlimited data for Japan?
    A: Yes, there are SIM cards that provide unlimited data for use in Japan. However, it’s important to check the fair usage policy as some plans may have restrictions.