Everything about AU KDDI SIM Cards and eSIMs for Tourists

  • When planning your trip to Japan, ensuring that you have reliable mobile connectivity is essential. With the au KDDI SIM/ESIM for tourist, you can enjoy seamless communication and internet access throughout your journey. This guide provides a comprehensive overview of everything you need to know about using an au KDDI SIM or eSIM during your travels in Japan.

  • Quick Facts about au KDDI

    Established in 2000 through the merger of KDD, IDO, and DDI, au KDDI has become a leading mobile phone operator in Japan. With over 60 million subscribers, it is recognized for its innovative telecommunications services that include mobile,internet, and home phone offerings. The brand is known for providing
    high-quality coverage and extensive handset choices tailored to meet diverse customer needs. One of the standout features of au KDDI is its commitment to maintaining a robust network infrastructure that ensures strong signals throughout Japan. The government mandates that major operators share their networks with smaller
    providers, creating a competitive landscape where customers have multiple
    options. This means that MVNOs utilizing KDDI’s network can offer similar
    coverage and speeds, enhancing overall service availability for tourists.

  • History of au KDDI

    KDDI Corporation originated from a vision to connect Japan through advanced communication technologies. Since its inception, it has consistently pushed the envelope on what mobile services can provide. The company operates under the au brand, which represents not only mobile services but also broadband and television solutions, making it a multifaceted telecommunications leader.

  • Best Services Offering from au KDDI

    au KDDI offers a range of mobile plans designed to cater to various usage requirements. Tourists can benefit from prepaid SIM cards and eSIM options that provide flexibility without the commitment often associated with long-term contracts. Additionally, au provides essential services such as music streaming, video content, and mobile payment options, adding value beyond just basic connectivity.

  • Network Quality andReliability

    The strength of any mobile service lies in its network quality. au KDDI boasts an impressive network presence, with superior coverage across urban centers as well as more remote areas. This reliability is crucial for travelers who depend on constant connectivity for navigation, communication, and social media sharing while exploring new destinations.

Why au by KDDI WhenYou’re Exploring Japan – Coverage and Speed

When traveling in Japan, having a reliable mobile connection is necessary for staying connected with loved ones, navigating unfamiliar places, and accessing vital information. Au by KDDI stands out among competitors due to its extensive coverage and commendable speed, which together create a seamless experience for tourists.

  • au by KDDI Coverage inJapan

    Coverage is one of the critical factors that tourists should consider when selecting a mobile network provider. According to a recent Opensignal report, au KDDI ranks high in overall coverage performance, receiving 8.1 points out of a possible 10. This score places it second among Japanese mobile operators, following NTT DoCoMo and ahead of SoftBank.
    Moreover, being able to connect almost anywhere in Japan is invaluable when exploring both bustling cities and tranquil rural towns. KDDI's extensive investment in infrastructure ensures that users experience minimal disruptions, allowing you to enjoy your travel without worrying about losing connectivity.

  • 5G Coverage Experience

    While 4G remains dominant, 5G technology is gradually expanding in Japan. Au KDDI scored a respectable 3.1 points in terms of 5G coverage, demonstrating a strong presence but indicating room for growth. While opportunities for 5G connectivity are increasing, tourists will find that 4G coverage is widely available, making it suitable for most online activities.

  • au KDDI Speed

    Another essential aspect of mobile connectivity is speed. A good network should not only keep you connected but also do so quickly and efficiently. Au KDDI excels in this area, showcasing impressive average download and upload speeds that enhance user experience.

  • Overall NetworkAvailability

    With 99.6% network availability, KDDI’s service is exceptionally reliable for tourists. This means you can consistently stay connected to either 4G or 5G services nearly all the time. Whether you're on the subway, enjoying a scenic train ride, or visiting remote mountain areas, au KDDI ensures that you remain connected.

  • Download Speeds

    Testing conducted by OpenSignal revealed that au achieved an average 4G download speed of approximately 44.53 Mbps. This performance puts KDDI at the forefront of mobile data speeds in Japan, making it ideal for activities like streaming videos, downloading files, or browsing social media.
    When it comes to 5G, au KDDI recorded a remarkable average download speed of 155.1 Mbps. This indicates significant improvements over previous generations and allows users to perform high-bandwidth tasks, such as streaming in ultra-high definition.

  • Upload Speeds

    In terms of upload speeds, au KDDI provided an average of 8.5 Mbps. While this may seem moderate, it is sufficient for common tasks such as sending emails, posting updates on social media, or sharing photos. With the advent of 5G, upload speeds also improve significantly, allowing for quicker sharing of high-resolution images and videos.

au by KDDI ConnectivityOptions for Travelers to Japan

  • Travelers to Japan have several options for staying connected, thanks to au KDDI's flexibility in offering both physical SIM cards and eSIMs. Each option has its pros and cons, allowing users to choose what best suits their individual needs.

    Prepaid SIM Cards

    Opting for a prepaid SIM card from au KDDI is a popular choice among tourists. These cards provide excellent coverage on KDDI's expansive 4G and 5G networks, ensuring that users can stay connected no matter where they roam. The ease of purchase and activation makes it a straightforward solution for many travelers.
    These SIM cards are generally affordable for short-term use, with prices ranging from ¥2,000 to ¥9,000, depending on the plan selected. Additionally, customers can usually expect unlimited data for their rental period, typically capped at around 500MB per day or higher.

    eSIM Technology

    For those with compatible devices, eSIM technology presents an exciting alternative. Activation is instantaneous via a QR code, eliminating the need for a physical card. This convenience can be particularly advantageous for tech-savvy travelers who prefer a more streamlined experience.
    eSIM data plans are similarly priced to traditional SIM cards, with costs between ¥1,500 and ¥5,000 for short-term plans. With generous allowances ranging from 1GB to unlimited data for up to 30 days, tourists can easily find a plan that fits their travel itinerary.

    Roaming Services

    If you wish to use your existing home SIM card while traveling in Japan, au KDDI also offers roaming services through partnerships with other carriers. While convenient, this option can be costly without specific roaming packages. Daily rates may vary from ¥1,000 to ¥3,000 or more, depending on your home carrier's roaming policy and plan.

  • Best au Japan SIM Cardsfor Tourists & Cost

    Navigating the myriad of SIM card options can be overwhelming. To help simplify the decision-making process, let’s explore some of the best au KDDI SIM cards tailored specifically for tourists, alongside their costs and unique features.

    Short-Term Plans for Tourists

    When purchasing a SIM card, it's vital to consider the duration of your stay. Au KDDI provides various short-term plans designed for tourists that can span from a few days to a month. Prices typically range from ¥2,000 to ¥9,000 based on factors such as data allowance and plan length.
    Many of these plans come equipped with unlimited data for the duration of your rental, allowing you to explore Japan without worrying about hitting a data cap. This feature can be especially helpful when navigating public transport or searching for restaurants and attractions on-the-go.

    Family Packages

    For families or groups traveling together, au KDDI also offers family-oriented SIM card packages. These multi-user plans allow multiple devices to share data, ultimately resulting in cost savings for group travel. Family packages ensure that everyone stays connected without breaking the bank.

    Additional Features and Benefits

    Beyond just calling and texting capabilities, several of au KDDI’s tourist SIM cards include added features such as mobile payments and access to local streaming services. These additional benefits can enhance the overall travel experience, giving visitors a taste of Japanese culture through accessible entertainment options.

Does au KDDI Support eSIMin Japan?

  • As technology continues to evolve, traditional SIM cards are increasingly being replaced by eSIM capabilities. For travelers heading to Japan, the question arises: does au KDDI support eSIM?

  • Understanding eSIM Technology

    Embedded SIM (eSIM) technology allows users to activate a cellular plan without needing a physical SIM card. It is a modern solution that provides greater flexibility and convenience for users. Instead of swapping out physical cards, eSIM lets you install multiple profiles on a single device, making it easier to switch between different carriers or plans.

    Availability of eSIM Plans

    Yes, au KDDI does offer eSIM options for tourists visiting Japan. This means that travelers with eSIM-compatible devices can enjoy the same great coverage and speed as they would with a traditional SIM card, all while benefiting from the instant activation process facilitated by QR codes.

    Device Compatibility

    To utilize eSIM technology, it is important to ensure that your smartphone is eSIM-compatible. Most newer models from major manufacturers support eSIM functionality. Before your trip, check your device specifications to confirm compatibility, ensuring a smooth connection upon arrival in Japan.

  • Where Can You Buy an auJapan SIM Card and eSIM?

    Acquiring a SIM card or eSIM in Japan should be a hassle-free experience, allowing you to get connected quickly once you land. There are several locations and methods through which you can purchase au KDDI SIM cards and eSIMs.

  • Where to Buy au Japan SIM Cards

    Tourists can conveniently purchase au Japan SIM cards at various locations, including international airports, electronics stores, and convenience stores throughout Japan. Airport kiosks tend to be the most accessible option, allowing visitors to acquire a SIM card immediately after landing.
    Additionally, electronic retailers like Bic Camera and Yamada Denki stock au SIM cards, providing options for travelers who arrive in city centers. The variety of plans available ensures that you can select one that meets your specific connectivity needs while visiting Japan.

  • Where to Buy au by KDDI eSIM in Japan?

    For those seeking eSIM options, the process is equally straightforward. Many of the same stores that sell physical SIM cards also offer eSIM activation. Be sure to bring along your eSIM-compatible device and inquire about the available plans.
    Purchasing an eSIM usually involves scanning a QR code that activates the profile on your device. This simplicity makes eSIMs a highly attractive option for travelers looking to minimize physical transactions during their trip.

    Exploring All our eSIM Plans: https://japanesim.biz/collections/all

How to Activate au Japan SIM Card/eSIM in Japan?

  • Once you've acquired your au KDDI SIM card or eSIM, activating it is the next crucial step. Here’s how to do it effectively and efficiently in Japan.

  • How to Use au by KDDI SIM Card in Japan?


    To begin using your au KDDI SIM card, follow these steps:
    • Insert the SIM card into your unlocked smartphone.
    • Set up the Access Point Name (APN) settings. These settings may vary depending on your plan, so refer to the instructions provided with your SIM card or visit the au KDDI website for details.
    • Restart your device to allow it to recognize the new SIM card.
    Once activated, you should be able to make calls, send texts, and access mobile data seamlessly.

    How to Activate au by KDDI eSIM?

    Install eSIM in Japan is even simpler than a traditional SIM card. Here's what you'll need to do:
    • Ensure your device is eSIM-compatible and is updated to the latest software version.
    • Scan the QR code provided at purchase to install the eSIM profile on your smartphone.
    • Follow the on-screen prompts to complete the setup.
    After completing the activation process, your device will automatically connect to the au KDDI network, providing immediate access to calling and data services.

    au by KDDI Japan Call and SMS Rates

    Understanding call and SMS rates is essential for managing your budget while traveling in Japan. Au KDDI offers competitive rates that cater specifically to tourists, ensuring affordability without compromising quality.

    National Calling Rates

    For domestic calls within Japan, au KDDI provides reasonably priced options. Standard rates typically apply, but many plans come with bundled minutes, allowing users to make local calls without incurring additional charges. Often, calls to other au numbers are free of charge, making it convenient to stay in touch with fellow travelers.
    International Calling Rates
    If you need to call back home, au KDDI also offers international calling options. Rates may vary based on the destination country. It's advisable to check the pricing chart provided by au to understand costs and explore any available international calling packages designed for tourists.

    SMS Charges

    Sending text messages is another way to communicate while traveling. Au KDDI’s SMS rates are competitive, with reasonable charges for both domestic and international texts. Many plans include a set number of free texts, which is perfect for quick communication without incurring excessive fees.

  • How to Top-up au KDDISIM/eSIM

    Maintaining your au KDDI SIM or eSIM requires occasional topping up, especially if you're using a prepaid plan. Here’s how to do it efficiently.

    Online Top-Up Options

    One of the most convenient ways to top up is through the au KDDI website or mobile app. Users can create accounts to monitor their usage and add funds directly. This online approach is especially useful for travelers who may want to avoid language barriers at retail locations.

    In-Store Payment Methods

    Alternatively, you can top up your account at various electronic stores or convenience shops throughout Japan. Simply present your SIM card and request a recharge, specifying the amount you wish to add. The staff will assist you in completing the transaction, ensuring your connectivity remains intact.

    Recharge Vouchers

    Another option for topping up is purchasing pre-paid recharge vouchers. These physical cards are available at many retail locations and can be redeemed for additional credit. This method provides a tangible option for users who prefer cash transactions over digital payments.

  • Does AU Japan SIM cardwork for 5G or only 4G LTE?

    Au KDDI offers both 4G and 5G connectivity for its SIM cards. However, actual availability depends on the region and your specific plan, so make sure to verify coverage in the areas you plan to visit.

Conclusion

  • Traveling to Japan opens up a world of incredible experiences, and ensuring reliable communication through the au KDDI SIM/ESIM for tourist is essential for a smooth adventure. With extensive coverage, excellent speed, and flexible buying options, au KDDI stands out as an optimal choice for tourists. Whether you decide on a physical SIM card or the modern eSIM option, you’ll benefit from a seamless mobile experience that keeps you connected throughout your journey. From navigating the vibrant streets of Tokyo to sharing memorable moments on social media, au KDDI enhances your travel experience, empowering you to explore Japan with confidence.With the ever-evolving landscape of mobile technology, staying connected while traveling has never been more accessible. Choosing au KDDI for your communication needs in Japan not only ensures you have reliable service, but it also offers a chance to immerse yourself fully in the local culture without the anxiety that often comes with navigating foreign environments.

  • Having access to high-speed internet and communication tools enables travelers to discover hidden gems, seek local recommendations, and share experiences in real time. In an age where experiences are often validated through social media, the ability to communicate seamlessly adds a layer of convenience that is invaluable.

    Moreover, for those who might be concerned about budget constraints, au KDDI’s competitive rates for both voice calls and SMS further enhance its appeal. The generous data packages and inclusive features make it an economical option for both short-term visitors and long-term travelers. For instance, being able to call fellow travelers or reach out to local contacts without worrying about excessive charges can significantly improve the travel experience.

  • In conclusion, au KDDI emerges as a leading choice for tourists visiting Japan, providing essential connectivity that enhances every moment of your journey. Whether you’re sharing your adventures on Instagram, navigating the intricate transport systems, or simply staying in touch with loved ones back home, au KDDI's dependable service allows you to focus on what truly matters—experiencing the beauty, culture, and vibrancy of Japan. So, pack your bags, grab your au KDDI SIM or eSIM, and embark on a journey filled with unforgettable memories and connections.As you prepare for your trip, remember to explore the various features that come with your au KDDI service. The unique capabilities of modern smartphones complement the connectivity provided by au KDDI, allowing you to utilize apps that enhance your travel experience. From translation tools to navigation aids, having internet access on-the-go can transform the way you interact with the environment around you.

  • Additionally, take advantage of local insights and recommendations available through social media and travel forums. Engaging with fellow travelers or locals can uncover not only the most famous sights but also hidden gems that may not be in the guidebooks. Your au KDDI SIM/eSIM enables you to do just that—connect with others, share experiences, and receive real-time updates on events happening during your stay.
    Moreover, becoming familiar with the Japanese culture and etiquette can further enrich your visit. With reliable communication at your fingertips, you can participate in conversations about local customs or inquire about traditional practices confidently. This cultural engagement adds depth to your travels, making them more meaningful and enjoyable.

  • In closing, never underestimate the importance of connectivity while traveling. let your au KDDI SIM/eSIM be the bridge that connects you to both the digital world and the rich tapestry of experiences awaiting you in Japan. Prepare to immerse yourself fully, create lasting memories, and discover a land where tradition and modernity coexist harmoniously. Safe travels!As you prepare to explore Japan, remember that the journey is just as important as the destination. With au KDDI in your pocket, you not only stay connected but also empower yourself to fully engage with the local culture and people. The ability to communicate freely provides opportunities that can transform your travel experience, allowing for spontaneous adventures and meaningful interactions.

FAQs about au KDDI SIM / eSIM in Japan

Does au KDDI SIM work forinternational roaming outside Japan?

Yes, au KDDI SIM cards do support international roaming, but be mindful of the associated costs, which can be significantly higher than domestic rates. It's advisable to check the roaming policies and charges before leaving Japan to avoid unexpected bills.

Can I use au KDDI SIM inmy non-Japanese phone?

Absolutely! As long as your phone is unlocked and compatible with the frequency bands used by au KDDI, you can use their SIM card without issue. Make sure to adjust APN settings as needed.

Is there an expirationdate for unused au Japan SIM card credits?

Yes, prepaid SIM cards from au KDDI typically have an expiration date for unused credits, often ranging from a few days to a month based on the plan selected. It's wise to monitor your usage to prevent losing any unspent credit.

How can I track my datausage on au Japan SIM card?

Tracking data usage is easy; you can dial *123