Apple has announced the iPhone 18 Pro and iPhone 18 Pro Max. The most important point for people buying the device in Japan is that the Japanese models use eSIM and do not support physical SIM cards. This article explains what new iPhone 18 users should prepare before using mobile data, how to transfer to eSIM, and how to choose between eSIM data, data SIM, and voice SIM plans.
Sep 10, 2026
A clear guide to setting up APN for HD Telecom’s Rakuten MVNO Data SIM on iPhone and Android. iPhone users install the Rcom-cellular profile using Safari or a QR code, while Android users manually enter APN p.rcomm.jp, username aaa, password 0000, and IPv4 APN protocol.
A step-by-step guide to setting up HD Telecom’s SoftBank Data SIM on iPhone and Android. iPhone users need to download HD Telecom’s APN configuration profile, while Android users usually only need to insert the SIM, turn on mobile data, and check the 4G/5G connection.
Sep 8, 2026
If your rental apartment in Japan has a built-in LAN port or optical outlet on the wall, you might just need to buy a router to use Wi-Fi, or you may still have to sign up with an internet service provider. Here's how to tell the difference and the exact steps to follow.
Sep 7, 2026
A list of required documents, costs, installation wait times, and steps to set up home fixed WiFi (Hikari fiber) in Japan for foreigners.
Find out whether plug-and-play Home WiFi (home router) is suitable for rented apartments in Japan, when you should choose it, and when pocket WiFi or a data SIM is the better option.
Who is Pocket WiFi in Japan right for, and who should opt for a data SIM or eSIM instead? Comparison table, estimated costs, how to sign up, and common issues.
Comparing Home WiFi (plug-in router) and Fixed WiFi (fiber-optic) when you've just moved house in Japan: wait times, costs, speeds, and how to make the right choice.
Comparing Home WiFi (plug-in home router) and portable Pocket WiFi in Japan: speed, price, contract terms, who should use which, and common mistakes when signing up.
