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ASIC firmware downloads / ASIC specifications

ASIC.TOOLS / FIRMWARE

Canaan Avalon A1566I firmware

Official firmware versions matched to the exact ASIC model or manufacturer family. Local copies include SHA-256 checksums.

Canaan Avalon A1566I
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.

Official manufacturer firmware

1 versions

Exact model Official source: Canaan Resources & Downloads ↗

VersionPublished / updatedCompatibilitySizeSHA-256Download
25050901_25462b2_46bbe92A15xI-A3197S-LC_25050901_25462b2_46bbe92.aup2025-10-30A1566I/A1566HU/A1566HS, K210 control board1.1 MBOfficial listing; local copy unavailableOfficial source ↗
Release notes: Latest official K210 release listed for the A1566I/A1566HU/A1566HS family.

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

Sources checked 14 September 2026