This plan won't cut you off, but "Unlimited" doesn't mean unlimited at full speed. You get 1GB at full network speed, then the speed drops to 256kbps for the rest of the plan. That's why it may be cheaper than a fixed-data plan — it's a throttled-speed trade-off. For steady full-speed data, a fixed-data plan is often the better value. Full explainer.
Local plan for Japan · one-time