Best 5G eSIM Plans for Japan

Quick Guide: 5G eSIM

5G in Japan is fast — we measured 200-400 Mbps in central Tokyo (Shibuya, Shinjuku, Akihabara). But 5G coverage is still mostly limited to major urban areas. Outside city centers, you'll fall back to 4G LTE (still 30-80 Mbps, perfectly fast). Only choose a 5G plan if you'll be in cities most of the time AND your phone supports Japan's 5G bands (n77, n78, n79). Otherwise, 4G plans are cheaper and work everywhere. Check compatibility before paying the 5G premium.