Bitmain Antminer S15 (28Th) firmware

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

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: BITMAIN Product Manual & Firmware ↗

Version	Published / updated	Compatibility	Size	SHA-256	Download
201912131535ANTMINER-S15-user-OM-201912131535-sig_4864.tar.gz	2025-05-29	ANTMINER S15	23.8 MB	`—`	Official listing; local copy unavailableOfficial source ↗
Release notes: MD5: 2daf58480cd587fd1fef0faa5a 6e2d9b Release Notes: 1.Fix hashrate fluctuation issue. 2.Fix electric current issue for new block and upgrade FPGA to B01B version. 3.Add auxiliary port to support Antguard tools. 4.Add sleep mode feature. 5.Fix firmware upgrade fail issue for ubi. 6.Delete default pool configuration. 7.Enhance anti-virus capability with new security mechanism.

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

Sources checked 14 September 2026