Look for the section inside the device options menu.
This document outlines the firmware architecture and hardware specifications for the Renesas microcontroller identified by the package code . This component is part of the RL78/F13 Series (specifically the R5F562B8 series), designed for automotive body control and industrial applications. The paper details the memory mapping, I/O port configuration, and firmware development requirements using the Renesas CS+ compiler and Smart Configurator environment. b628-265 firmware
The best help for the B628-265 often comes from the community. If you encounter a specific bug after an update or are struggling to find a particular file, here are where the experts hang out: Look for the section inside the device options menu
If you are having trouble updating or if your router is acting up after an update: The paper details the memory mapping, I/O port
When bought through an operator, the firmware is modified. For example, the is customized for Bouygues Telecom ( H203SP9C309 ), while others like C330 serve alternative markets. Even if the router is SIM-unlocked, these custom firmwares often hide critical configuration submenus , force custom splash screens, and block manual DNS edits. Common Firmware Build List