You’ve landed at Narita or Kansai, switched on your phone, and nothing. No bars, no data, no map loading. Or maybe your Japan eSIM activated fine at home but stopped working the moment you crossed into a new prefecture. Whatever the specific symptom, a Japan eSIM not working is one of the most stressful travel
You’ve chosen your Japan eSIM plan, completed the purchase, and received an email with a QR code. Now what? For first-time eSIM users especially, the gap between “I have a QR code” and “my phone is connected to a Japanese network” can feel uncertain. The good news: activate Japan eSIM is a process that takes