ZEUS MINING
CRYPTO MINING PRO
Home/Firmware download/Antminer firmware/

Antminer 21 Series Firmware Download

Antminer 21 Series Firmware Download

Created 2024/3/5

Update the corresponding firmware to solve the operating faults of Antminer S21, S21 hyd, T21 and other miners. By flashing the firmware and programming the correct operating procedures, you can effectively extend the service life of the miner and obtain more mining profits.

Miner model

File name
File sizeDescriptionPublish dateAction
Antminer S21+ firmwareAntminer-S21+-release-202503121434.bmu15.58MB

MD5:38ff96b3d25f7e68e87b9408e59edc10

Updates：

1. Optimized firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-04-05Download
Antminer S21+ Hydro firmware
Antminer-S21+-Hyd.-merge-release-20250219073020.bmu29.48MB

MD5:e3110ec460fb6507701765c34f1d20aa

ANTMINER S21+ Hyd. initial firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-03-03Download
Antminer S21 XP Imm firmwareAntminer-S21XPImm-Release-202502271608.bmu15.20MB

MD5:73367fc15fb10392970791c559982216

ANTMINER S21 XP Imm. initial firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-03-28Download
Antminer S21e XP Hydro firmwareAntminer-S21e-XP-Hyd.-release-202501061507.bmu
17.31MB

MD5:f17de768d5a84257ece9b91b7152c247

ANTMINER S21e XP Hyd. initial firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-01-16Download

Antminer S21 XP Hydro firmware

Antminer-S21-XP-Hyd.-release-202501061507.bmu17.31MB

MD5:f17de768d5a84257ece9b91b7152c247

Updates：

1. Optimized firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-01-16Download
Antminer S21 XP firmwareFR-1.14(250530-S21-XP).bmu15.22MB

MD5:13f21239e31227d713d1ab7a5130b301

ANTMINER S21 XP initial firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-06-19Download
Antminer S21Imm firmwareAntminer-S21Imm-AML-release-202408061155.bmu14.42MB

MD5:92f7f01581c49f0d3742b2ce4029d991

ANTMINER S21 lmm. initial firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2024-08-12Download
Antminer S21 Hydro firmware
Antminer-S21-Hyd.-release-202405191051.bmu17.31MB

MD5:524dcfdced9927b89d28e637b100354a

Updates：

1. Optimized firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2024-05-22Download
Antminer T21 firmwareAntminer-T21-merge-release-20250126114837.bmu43.91MB

MD5:dcb5733c60113dd997d2db900ac42f0e

Updates：

1. For the machines that may shut down due to high temperatures, some optimization strategies, such as frequency reduction, are implemented, which may cause a loss of computing hashrate.

2. Optimized the stability of mining machines under low ambient temperature conditions.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-02-18Download
Antminer S21 firmwareAntminer-S21-release-202502061718.bmu14.44MB

MD5:0584f958814460e33b343034e01b8c08

Updates：

1. Implemented slight frequency reduction and other optimization strategies for machines that may shut down due to high temperatures.

2. Enhance the stability of the firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-02-26Download
Antminer S21 Pro firmwareFR-1.0(250327-S21-Pro).bmu15.22MB

MD5:9049c79433c1ea8f0bdffb2c7f7d6c72

Updates：

1. Optimized firmware.

Please make sure the miner type and firmware type are the same before upgrading the miner firmware.

2025-04-07Download

Firmware download for SD card:

Miner model

File name
File sizeDescriptionPublish dateAction
Antminer S21 firmware
S21-aml-flashcard.zip24.50MB

SD firmware for S21 AML control board.

After flashing the firmware with the SD card, please upgrade to the latest official firmware.

2024-02-26Download
Antminer T21 firmware
t21-flash-card-7007.zip27.11MBT21 7007 Flash card package.2024-03-28Download
Antminer T21 firmwaret21-flash-card-aml.zip24.49MBT21 amlogic Flash card package.2024-03-28Download
Antminer T21 firmwaret21-sd2nand-cvctrl-202403221534.tar.gz16.84MBT21 cvctrl Flash card package.2024-03-28Download
Antminer S21 Hydro firmwareS21-hyd-flash-card-7007.zip
27.13MBS21 Hydro 7007 Flash card package.2024-04-09Download
NOTICE
This is an original piece. Reproduction in whole or part without written permission is prohibited.

Articles in this section

0
About products purchase, please contact our sales manager:
[email protected]

About miner repair and after-sale issues, please contact the repair manager email:
[email protected]

For business cooperation, please contact:
[email protected]

COMPLAINTS & SUGGESTIONS
If you have any dissatisfaction during the transaction or have valuable suggestions for us, please contact us via this email address:
[email protected]
Attention!

Recently, many companies claiming to be mining companies imitate us and say that they are related to us, or that they are our branch companies, which has caused customers to be deceived. Please be careful not to believe any impostors, please check our correct contact information and beware of being deceived getting scammed, and losing money.
please check our right contact way: Here

CLOSE
Customer Service