Installing fiber-optic internet (hikari) at home in Japan typically takes from 2 weeks to 2 months, depending on your housing type and the season. Explore the step-by-step guide, required documents, costs, and how to get internet access right away while waiting.
Sep 7, 2026
A detailed explanation of when HD Telecom packs and ships physical SIMs and pocket WiFi: cut-off times, delivery timeframes by region in Japan, and how to avoid returned packages.
Find out when HD Telecom sends the eSIM QR code after ordering, which channels are used, how long it takes, and why no documents are required for data eSIMs.
Card declined, order auto-cancelled, or money deducted without an order confirmation? Here is a step-by-step guide to check and resolve online payment errors in Japan.
Comparing 4 popular payment methods in Japan — combini, PayPay, credit cards, and bank transfers: fees, speed, required documents, and which one to choose.
Ordered a SIM/eSIM/WiFi but your order still hasn't been processed? Here are the 8 most common causes and how to check them yourself in 5 minutes before contacting support.
Sep 5, 2026
Guide to bank transfers (furikomi) in Japan via ATM, internet banking, and bank counters when purchasing a SIM/eSIM/WiFi: steps, fees, deposit time, and common mistakes.
Sep 4, 2026
Quick Guide: Who the 12-month SoftBank prepaid data SIM is right for, who should choose another option, costs, required documents, and common activation issues.
Step-by-step instructions on how to photograph and upload bank transfer/konbini payment receipts to HD Telecom so that your SIM, eSIM, or WiFi order gets confirmed quickly and your photo doesn't get rejected.