OFFICIAL FIRMWARE

Select Your Firmware

Select your model and control board, then download the compatible firmware.

ASIC MODEL

CONTROL BOARD

VERSION

CMI FIRMWARE FOR BITMAIN

Antminer S19k Pro (AML - NAND, 1.3.6)

Download Firmware Download Toolkit

BEFORE YOU DOWNLOAD

Choose the Correct Firmware

Select your Antminer model and control board type carefully before downloading CMI firmware.

Select Your Model

Choose the exact Antminer model in the firmware selector above. Firmware packages are model-specific.

Check Control Board

Verify the control board installed in your miner. Available firmware and installation options may differ depending on the board type.

Stock Firmware Backup

Always maintain a copy of the stock Bitmain firmware if you ever need to return your miner to factory state.

Important: Always verify the miner model and control board before flashing. Using an incompatible firmware package may cause installation or recovery problems.

Download HashCore Toolkit

Select your operating system below to download the latest toolkit version.

🪟 Windows 🍎 macOS 🐧 Linux (x64) 🐧 Linux (Arm) 🤖 Android

Current version: v 1.7.5 - 03.10.2026

Runs on any modern device

HashCore Toolkit System requirements

Desktop

Windows 10/11, macOS 10.14+, Linux Ubuntu 18.04+

Mobile

Android 7.0+ for mobile management

Resources

4 GB RAM, 500 MB disk

Network

10+ Mbps for large farms