This document is an instruction manual for the firmware update program of WX310J model released by Japan Wireless Corporation. It provides detailed information about the system requirements and safety precautions for executing the update program.
This manual explains how to safely perform a firmware update on the JRC WX310J telephone with a Macintosh. It lists the required operating system versions, necessary software (CarbonLib 1.5+, StuffIt Expander), and hardware conditions such as free disk space and battery level.
The document provides detailed procedures for launching the update program, entering the phone’s upgrade mode, monitoring the update progress, and handling errors. Contact information for JRC support is included for cases where the update cannot be completed. This manual is written in Japanese.
| Required CarbonLib version | 1.5 or higher |
|---|---|
| Required StuffIt Expander version | Version 4 or higher |
| Minimum free HDD space | ≈50 MB |
| Minimum battery level for update | Level 2 or higher |