Skip to content

We're upgrading our operations to serve you better. Orders ship as usual from Laval, QC. Questions? Contact us

Bitcoin accepted at checkout  |  Ships from Laval, QC, Canada  |  Expert support since 2016

1325 Rue Bergar, Laval, QC support@d-central.tech 1-855-753-9997 Mon-Fri: 8:30 - 18:00

How to Download and Install Miner Firmware

Start with safety and logs

Power down before opening a miner, label cables before moving boards, and capture logs before repeated reboots erase useful evidence. Record model, firmware, pool, uptime, fan speed, temperature, reject rate, chain count, and the exact error text.

Confirm the fault class

Separate configuration faults from hardware faults first. Pool errors, DNS failures, bad worker names, overheating, weak power, fan faults, and missing hashboards can look similar from the dashboard but require different fixes.

Document the test path

Change one variable at a time and keep the before/after result. Note cable swaps, PSU swaps, firmware changes, pool changes, fan replacements, ambient temperature, and whether the fault follows a hashboard, control board, network, or power source.

When to escalate

Escalate to professional repair when there is a burned smell, melted connector, breaker trip, corrosion, repeated hashboard loss, liquid exposure, or a board-level fault that returns after a basic cable, power, firmware, and airflow check.

After the fix

Run the miner long enough to confirm stable accepted hashrate, fan behavior, chip temperature, reject rate, and pool-side reporting. A dashboard that looks normal for five minutes is not enough evidence for a recurring power, heat, or hashboard fault.

· D-Central Technologies · ⏱ 2 min read

Last updated:

Downloading the appropriate firmware for your miner is essential to its proper functioning. Here are the steps to download miner firmware:

Download Preparation Tools

You’ll need a computer with internet access. Any operating system can be used.

Firmware Download

  1. Visit the official ANTMINER website at https://www.bitmain.com/.
  2. Click on “Customer Support”, then click “Firmware Download.
  3. After clicking, the webpage will start loading. When the webpage is fully loaded, you can select the model of your miner to download the appropriate firmware.
  4. Once the loading is completed, you will see the various cryptocurrencies on the left side and the corresponding miner models on the right side.
  5. After selecting your miner’s model, the corresponding firmware will appear at the bottom of the webpage. Click on it to start the download. Please note that there’s no need to decompress the firmware after downloading. You can upgrade directly on the webpage or perform a batch upgrade.
  6. Below are the corresponding relationships between various cryptocurrencies and miner models:
    • BTC/BCH/BSV: S19, T19 Series; S17, T17 Series; S15, T15 Series; T9, S9 Series etc.
    • LTC: L3 Series, L7
    • DASH: D3, D5, D7
    • ETH/ETC: E3, E7
    • ZEC: Z11, Z9 Series, Z15 Series
    • DCR: DR3, DR5
    • XMR: X3
    • BTM: B3, B7
    • SC: R3-SIA, A3
    • CBK: K5

Firmware Management

After the firmware is downloaded, you can locate it in your system using one of the following methods:

  1. If you’ve used Google Chrome for the download, click on the caret (^) symbol next to the download, then click “Show in folder”. This will take you directly to the downloaded file.
  2. Open any folder on your system, click “Downloads” on the left panel, and you will find your downloaded file there.

Notes

  1. Always choose the latest version of the firmware for download.
  2. Read the descriptions carefully and pay close attention to firmware types, models, etc. to ensure you’re downloading the correct firmware for your miner.

D-Central Technologies

Bitcoin Mining Experts Since 2016

ASIC Repair Bitaxe Pioneer Open-Source Mining Space Heaters Home Mining

D-Central Technologies is a Canadian Bitcoin mining company making institutional-grade mining technology accessible to home miners. 2,500+ miners repaired, 350+ products shipped from Canada.

About D-Central →

Start Mining Smarter

Whether you are heating your home with sats, building a Bitaxe, or scaling up — D-Central has the hardware, repairs, and expertise you need.

Browse Products Talk to a Mining Expert

Editorial review and limitations

Reviewed by D-Central's mining hardware and ASIC repair editorial team for practical accuracy, buyer risk, repair context, and operational assumptions. Verify current hardware price, stock, network difficulty, BTC price, power rate, shipping, tax, firmware, and device condition before buying, hosting, repairing, or retiring mining hardware.

Last reviewed May 24, 2026. D-Central, Laval, Quebec.

Related products, repair, and setup paths

Last reviewed May 25, 2026. Added to route educational and product traffic toward exact commercial next steps.