Firmware archive for the HG655b, a Huawei-branded DSL home gateway, tagged B025 in the name, which is probably a firmware or hardware build identifier. The ZIP is about 5.7 MB, consistent with a router flash image. Such files are used to revive a modem stuck in a boot loop or bricked after a failed update, either through the bootloader recovery or by reprogramming the flash directly. Confirm the hardware version on the device label and keep a copy of the original flash before overwriting.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →