- Japan Mobile Phone Contracts: Practical Procedures for Activating a Low-Cost SIM with Just a Residence Card
- Japan’s Frequency Bands (Band) Trap: Practical Procedures for Checking Smartphone Compatibility for Foreign Employees
- Japan Mobile Phone Contracts: Practical Procedures for Selecting “No-Binding” Carriers to Prevent Cancellation Fee Troubles
- Japan Home Wi-Fi: A 1-Month Wait? Practical Procedures to Build Internet Environments for Foreign Employees in the Shortest Time
- Japan’s Free Public Wi-Fi Risks: Practical Procedures for Implementing VPNs to Prevent Data Leaks for Foreign Employees
- Japan Mobile Numbers (090/080/070): Legal Importance and Avoiding Practical Risks for Foreign Employees