Download firmware for Bitmain Antminer T9 (11.5Th) from the official source. Versions: 2. 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.
ANTMINER-T9-all-201704280716-autofreq-user-Update2UBI-NF.tar.gz
1. this is for T9 miner with support for 512MB or 1024MB memory on controller board. 2. Remove: post mac address and remote stop mining interface. 3. Fix a bug of memory leak. 4. Support: keep config when upgrade. 5. Remove unused *.bitmain.com url strings in binary file.
ANTMINER-T9-all-201704270140-autofreq-user-Update2UBI-NF.tar.gz
1. this is for T9 miner with support for 512MB or 1024MB memory on controller board. 2. Remove the functions: post mac address and remote stop mining interface. 3. Attention: this fw has been replaced to be same as : ANTMINER-T9-all-201704280716-autofreq-user-Update2UBI-NF.tar.gz
Sources checked 14 September 2026