Can I Still Get Connected with Japan Prepaid SIM/Pocket WiFi? / Case 7: Shiratani Unsuikyo Valley (Kagoshima)

Checking map, contacting with people, searching for something, etc. etc. Internetting is essential, especially when you travel abroad.   But, even at famous tourist spots, Japan sometimes has no connectivity with the internet. How do you know that beforehand?   Japanese 3 major mobile phone companies NTT DoCoMo, au (KDDI), […]