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Travel data, eSIM tutorials, and the occasional industry exposé. Written by people who run the network.
We pulled 14,000 anonymized billing rows. Here is what travelers actually pay across 6 carriers.
A step-by-step with screenshots. Including the one setting that traps 30% of users.
Maps offline, IC card recharges, JR pass scans. What actually eats your gigabytes.
How distributed-team companies are quietly bleeding money on legacy carrier roaming.
A country-by-country reality check. Spoiler: the marketing maps are optimistic.