Last September, I had to travel to Japan for work, and one of the preparation steps was choosing a suitable mobile internet option. This was crucial for me. So, before my trip, I read the Mobal team's review Pocket Wi-Fi or eSIM in Japan . This article described the features of each option, as well as potential limitations, in a straightforward manner. This allowed me to avoid revisiting the connection issue once I was there and focus on work.