Get your phone working in Japan without buying the wrong plan.
Current comparisons for Japan eSIMs, pocket WiFi, Japanese phone numbers and mobile setup. Start with the decision you need to make now.
Current prices, Japanese networks, activation, data limits and a clear pick by trip type.
UBIGIIs Ubigi good for Japan?See the current Japan plans and where Ubigi’s KDDI + NTT Docomo access matters.
UNLIMITED DATAWhat does “unlimited” really mean?Check fair-use limits and reduced-speed rules before buying.
TROUBLESHOOTINGJapan eSIM not working?Fix the active line, roaming, APN and network settings before deleting the eSIM.
GROUP TRIPPocket WiFi vs eSIM in JapanChoose based on whether your group will split up, battery risk and device count.
IPHONESet up a Japan eSIM safelyAvoid accidental home-carrier roaming charges after landing.
A travel eSIM may not solve SMS verification.
Data-only eSIMs are fine for maps and messaging apps, but a domestic phone number is a different requirement.
Keep the newcomer guides, but solve connectivity first.
Once your phone and internet are working, continue to address registration, housing and first-week setup.