ASIC.TOOLS / FIRMWARE

Download Bitmain Antminer S9 (14Th) Firmware

Download official firmware for Bitmain Antminer S9 (14Th). Versions: 10. Local downloads, hardware compatibility, file sizes and 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.

Available versions

10 versions

Exact modelOfficial source: BITMAIN Product Manual & Firmware ↗

Version

s9_fix_upgrade.tar

s9_fix_upgrade.tar.gz

Local copy unavailableOpen official source ↗

Published / updated: 2025-05-29
Compatibility: ANTMINER S9
Size: 38.9 MB

Release notes

If S9 miner can not upgrade new fw, please use upgrade this special package to fix the file system, then upgrade new fw again.

Official source ↗

Version

201908121158

ANTMINER-S9-c5-201908121158-autofreq-user-Update2UBI-NF-sig.tar.gz

Download firmware↓ 22.9 MB

Published / updated: 2025-05-29
Compatibility: ANTMINER S9
Size: 22.9 MB

Check file integrity · SHA-256

SHA-256

3bc308460e3889e7498c0a52ddcf6a163414f45c29d0da44be4e8870af0d6242

MD5

10d9d2a114a735ff256a9956f0189bab

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

Release notes

MD5:10d9d2a114a735ff256a9956f0189bab 1.Enhance anti-virus capability 2.S9 user firmware. It is only for C5 control board, not for 7010 xilinx control board. 3.Secure firmware with signature, SSH port is closed.

Official source ↗

Version

201907311618

ANTMINER-S9-xilinx-201907311618-autofreq-user-Update2UBI-NF-sig.tar.gz

Download firmware↓ 41.5 MB

Published / updated: 2025-05-29
Compatibility: ANTMINER S9
Size: 41.5 MB

Check file integrity · SHA-256

SHA-256

fda5e5a62cb3be04e1344a2ae7682b66c57f822c6ef02d81bff0dc1d50d3f0a9

MD5

f07a8ce195d421f9b69db02aed83a460

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

Release notes

MD5:f07a8ce195d421f9b69db02aed83a460 1. Enhance anti-virus capability 2.S9 user firmware. It is only for 7010 xilinx control board, not for C5 control board. 3.Secure firmware with signature, SSH port is closed. 4.You can't upgrade previous secure firmware after using this version.

Official source ↗

Version

201907302037

ANTMINER-S9-xilinx-201907302037-autofreq-user-Update2UBI-NF-sig.tar.gz

Download firmware↓ 42.2 MB

Published / updated: 2025-05-29
Compatibility: ANTMINER S9
Size: 42.2 MB

Check file integrity · SHA-256

SHA-256

2cd6e5142d82950083d3789b8b14d3d045aed238d65acbeb73d3ab8f9c55735f

MD5

fc658783843d512b81efc8ff56db8a3c

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

Release notes

MD5:fc658783843d512b81efc8ff56db8a3c 1. Enhance anti-virus capability 2.S9 multi-option user firmware which provides the options that can increase the hash rate or decrease the power consumption. It is only for 7010 xilinx control board, not for C5 control board. 3.Secure firmware with signature, SSH port is closed 4.It is possible to damage the miner if you use a high frequency setting, and also please make sure the miner is in a good situation and the capacity of power supply is enough before you apply a over frequency setting 5.A small number of miners may have low hash rate and instability issue after over frequency. Please use lower over frequency option, or choose "Normal" option, or revert to the previous secure firmware version. 6.You can't upgrade previous secure firmware after using this version 7.Please read the instructions before using the firmware:https://support.bitmain.com/hc/en-us/articles/360023715154 *Please use the firmware in strict accordance with the operating instructions. If the machine is scrapped due to improper use, it will not be guaranteed according to the after-sale policy.

Official source ↗

Version

201812051512

ANTMINER-S9-all-201812051512-autofreq-user-Update2UBI-NF.tar.gz

Download firmware↓ 60.9 MB

Published / updated: 2025-05-29
Compatibility: ANTMINER S9
Size: 60.9 MB

Check file integrity · SHA-256

SHA-256

95667e8c4ec66f5e630ad17ce162b67998487e98a44a70031474bc8bd462f19d

MD5

0b9a8134c5c2cae1f7723aad96df4867

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

Release notes

MD5：0b9a8134c5c2cae1f7723aad96df4867 1. Not support C5 control board 2. Reduce hashrate and power consumption, better power efficiency. 3. If the miner is unstable after upgrade. Please close Low Power Enhanced Mode or revert to the previous version

Official source ↗

Version

20181102

ANTMINER-S9-LPM-20181102.tar.gz

Download firmware↓ 838 KB

Published / updated: 2025-05-29
Compatibility: ANTMINER S9
Size: 838 KB

Check file integrity · SHA-256

SHA-256

56a9d0f4ce5b39bb16d8b5dfeebd2c1af14faef4c4aa0e736f42ae126b420ee8

MD5

a14dc339fd002127d8adb006bbf1f647

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

Release notes

MD5:A14DC339FD002127D8ADB006BBF1F647 1. Not support C5 control board. 2. Reduce power consumption. 3. Automatically abort the upgrade if the criterion is not met. 4. Please revert to the previous version if the miner is not stable after upgrade. 5. Fixed the hashrate dropping issue

Official source ↗

Version

201711171757

ANTMINER-S9-all-201711171757-autofreq-user-Update2UBI-NF.tar.gz

Local copy unavailableOpen official source ↗

Published / updated: 2025-05-29
Compatibility: ANTMINER S9
Size: 60.7 MB

Release notes

* Support S9 miners except S9-11.85T，12.93T，14T with fixed frequency * Remove post mac address and remote stop mining interface * Fix a bug of memory leak. * Fix to support keep config when upgrade * Remove unused *.bitmain.com url strings in binary file in fw.

Official source ↗

Version