Firmware archive for a Huawei device labelled B68L-25, about 4.73 MB; the name gives no version or board revision. Inspect the contents to see whether it holds a raw flash dump or an update package. Raw dumps are typically written with a programmer to recover a unit that no longer boots, while update files need the vendor tool. Back up the existing flash before writing, and verify the model code and chip capacity match so the image fits.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →