Japan: technological wonderland with internet access straight out of 2005. Don't believe the "free Wi-Fi everywhere" myth—it's about as reliable as Tokyo trains during a typhoon.
Your Connectivity Options (Ranked):
That "Japan Connected-free Wi-Fi" app? Just a glorified hotspot finder that works 60% of the time, every time.
Download EVERYTHING offline:
Because the moment you need internet most is exactly when that "high-speed" connection will abandon you faster than your jet lag.
Last resort tip: Convenience store Wi-Fi is surprisingly reliable. Buy a coffee at 7-Eleven, sit near the window, and leech their connection like a proper digital nomad.