NiceHash Firmware Update - Additional support for Antminer S21+ and L9 models!
Dear NiceHash miners,
We are excited to announce the latest update, NiceHash Firmware v3.15-944. This new version features several fixes and improvements, including support for Antminer S21 Immersion, S21 XP, S21+ and L9 (17GH) miners.
Changelog from v3.14-768:
- Feature: Added support for Antminer L9 (17G)
- Feature: Added support for Antminer S21 Immersion
- Feature: Added support for Antminer S21 XP
- Feature: Added support for Antminer S21+
- Feature: Added support for S21 Pro A3HB70602 variant
- Feature: Added ASIC temperature estimation if it is not supported in the ASIC
- Feature: Added authentication to API calls
- Feature: Added support for PCAP API
- Improvement: Log messages optimization
- Improvement: DNS request optimization
- Fix: UI bugs, including ASIC heat map, graph, and units
- Fix: Fixed incorrect IP being shown in GUI
- Fix: Fixed an issue with Xilinx control boards
What ASIC models are supported?
How to update the NiceHash Firmware?
Follow these steps to update the firmware:
- Download the new NiceHashTools and NiceHash Firmware versions from our Download Center
- Scan the network using NiceHashTools
- Select Update Firmware operation from the dropdown menu
- Select the new Firmware version
- Click firmware update and select the ASICs

FAQ
Who can use NiceHash Firmware?
NiceHash Firmware is intended for all miners with supported ASIC models.
What are the fees for NiceHash Firmware?
NHFW default fee is 2% and only 1.4% when using the NiceHash pool.
What features does NiceHash Firmware offer?
Among others, the most important ones are:
- Auto-tune based on Power Target, Hashrate Target, or Percentage Adjustment
- Tailored Environment Profiles for Air, Hydro, Single or Two Phase Immersion Cooling
- Intelligent thermal protection to prevent overheating
- Custom Hashboard detailed view
- Compatibility with NiceHash ASIC Manager, Foreman, Awesome Miner, BTCtools and others.
Is the installation process the same for all ASIC models?
Yes, the installation process is the same for all ASIC models, however, there can be some ASIC-specific requirements.
What can I do if my ASIC model is not supported by the NiceHash Firmware?
If your ASIC model is not supported by the NiceHash Firmware, reach out to us at firmware@nicehash.com with the exact model name so it can be added in future firmware versions.
What pools are supported?
All mining pools are supported. Note that the firmware fee is 2% when using any other pool than NiceHash, where the fee is only 1.4%.
I have thousands of machines. Where can I contact you?
Contact us at farm@nicehash.com.