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ASIC.TOOLS / FIRMWARE
Download Bitmain Antminer R4 Firmware
Download official firmware for Bitmain Antminer R4. Versions: 3. 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.
Verify the downloaded file with SHA-256 before uploading it to a miner.
Release notes
MD5：94d6f3cee5bcc2b097e85046cbcbb7ad 1. Reduce power consumption. 2. Automatically abort the upgrade if the criterion is not met. 3. Please revert to the previous version if the miner is not stable after upgrade.
1. this is for R4 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 string in binary file.
1. this is for R4 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-R4-all-201704280718-autofreq-user-Update2UBI-NF.tar.gz
