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Bitmain Antminer Stock Firmware Library

Firmware for your ASIC

Official stock factory firmware for Bitmain Antminer series (S19, S19 Pro, S19j Pro, S19k Pro, S19 XP, S21, T19, T21, L7). Web interface (.bmu) and micro-SD recovery images for all control boards (Xilinx ZYNQ 7007, BeagleBone, Amlogic, Cvitek).

Choose firmware →Instructions

Compatibility

Match the exact variant and control board.

File verification

SHA-256 checksum for each build.

Documentation

Installation steps and version requirements.

VECTOR / FIRMWARE LIBRARY

Choose firmware

Identify your board ↗
Identify your board

Only published builds are shown in the catalog. Category presence does not guarantee build availability.

<p>Official verified factory firmware builds and SD card recovery packages for Bitmain Antminer devices.</p>

Installation and updates

  1. 1

    Check compatibility

    Identify your board

  2. 2

    Download the matching build

    Download a compatible build, then verify its file checksum.

  3. 3

    Follow the instructions

    Instructions depend on the model and build. Follow the published release guide.

Frequently asked questions

How do I identify the control board?

Check the board marking in your model documentation or on the device. Do not install a build until compatibility is confirmed. Support →

How do I update firmware?

Instructions depend on the model and build. Follow the published release guide.

How do I restore stock firmware?

Recovery instructions belong to the release documentation. If absent, contact support before installation.