ASIC.TOOLS / FIRMWARE

Download Bitmain Antminer L9 Hyd 2U (27Gh) Firmware

Download firmware for Bitmain Antminer L9 Hyd 2U (27Gh) from the official source. Versions: 1. Check compatibility and release details; local copies are unavailable.

Firmware is hardware-specific. Match the exact model and control-board revision, back up settings, use stable power, test one miner first, and never interrupt an upgrade. A wrong image can make the controller unbootable.

Available versions

1 version

Exact modelOfficial source: BITMAIN Product Manual & Firmware ↗

Version

FR-1.29

FR-1.29(251029-U2L9H).bmu

Local copy unavailableOpen official source ↗

Published / updated: 2025-11-08
Compatibility: U2L9H
Size: 14.8 MB

Check file integrity · SHA-256

SHA-256

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MD5

5c6e612b02e225a50a43f014070d7f0f

Verify the downloaded file with SHA-256 before uploading it to a miner.

Release notes

MD5: 5c6e612b02e225a50a43f014070d7f0f 1. ANTMINER U2L9H initial firmware. Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

Official source ↗

Sources checked 14 September 2026