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Travel with mobile data

Japan itineraries often move quickly between Tokyo, Kyoto, Osaka and smaller destinations. Mobile data helps with station directions, train information, accommodation details, translation and reservations. The eSIMGlobe Japan eSIM gives a compatible, unlocked phone a digital data connection, ready to use according to the installation instructions included with the order. For an itinerary involving Tokyo, Kyoto, Osaka and smaller towns, having the connection ready helps you retrieve a booking reference, send your arrival time and find the correct pickup point. Rail changes, station navigation and digital tickets can make a single trip feel like several separate journeys. Store the most important confirmation numbers and addresses before departure, so a temporary gap in coverage does not stop your next step.

Using data during your trip

One data plan for Japan helps when moving from an airport into a city and later travelling between regions. Check routes, access digital tickets and contact hosts on the go. The supported destination for this product is Japan: a stop in South Korea or another country requires a plan that lists that destination. Keep important reservations and directions stored offline for long travel days. The Technical Specs list KDDI/au 5G, SoftBank 5G for this product. Partner access does not promise the same speed in every place. Save the hotel name in Japanese and your reservations offline; indoor spaces, transport and less populated routes can behave differently from a city centre. If you cross a national border, check the Supported Countries list rather than assuming that a nearby destination is covered.

Coverage and local networks

The product specifications list KDDI/au 5G and SoftBank 5G as partner networks. Network selection, reception and speed depend on your device and the location. A 5G listing does not guarantee that every train journey, underground station, rural area or indoor space will have a 5G connection. A phone must be unlocked and support eSIM to install this plan. The order instructions may offer a one-tap link on the same device, or a QR code that you scan from another screen in your phone's mobile-plan settings. Install over reliable Wi-Fi before you need the connection, retain the confirmation email and select the eSIM for mobile data at the appropriate time. If data does not connect, check the supplied activation settings.

Choosing and installing your eSIM

Choose the Unlimited plan duration that covers your full trip, including arrival and departure. Navigation and messaging usually need less data than streaming, hotspot or backing up photos. You can top up this Unlimited eSIM by adding extra days of validity, not GB. Plan the allowance around the full itinerary, not simply the first day. Navigation, email and messages generally use less data than streaming, cloud backups and sharing a hotspot with another device.

Install the eSIM over a stable internet connection using the instructions supplied with your order. If a one-tap link is provided for your phone, follow it on that device; alternatively, scan the supplied QR code from a second screen. You can prepare before departure, then select the eSIM for mobile data at the appropriate time. This is a data-only plan: it does not include a new phone number, standard calls or SMS. Keep your primary SIM active for your existing number if needed, and check its roaming settings. Internet-based messages and calls use data where those apps are available. This plan supplies mobile data and does not issue a new telephone number, standard voice calls or SMS. You may keep your usual SIM active for those services, subject to your own operator's charges and settings. Internet-based messaging uses the eSIM data where the service is available locally. Underground platforms and remote routes can have weaker signal. Keep essential directions and contacts offline as a backup when reception varies.