ZyXELHN 340ULO5D0 20150729

BIOS .bin 1.56 MB Shared

ZyXEL firmware image with code 340ULO5D0 dated 29 July 2015, 1.56 MB, carrying an HN tag that likely marks a particular build variant. No device model is named, so confirm compatibility by comparing the code with the version your unit reports. Images of this kind restore or update ZyXEL routers and modems through the web interface, bootloader, or an SPI programmer when a full dump. Save the existing flash and settings first and check the image size against the chip.

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 .bin file

A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.

CH341A + NeoProgrammer / AsProgrammerflashromRT809F / RT809HTL866II / T48UEFITool (to inspect)HxD (hex editor)

More about .bin files

Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →

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