Guided Firmware Selector
Quick answer
The Guided Firmware Selector is a five-question wizard that recommends ASIC mining firmware for your hardware and goals. It matches Bitaxe boards to open AxeOS, and S19/S21-class Antminers to per-chip autotuning firmware such as BraiinsOS+ — the open path to Stratum V2 — or commercial VNish and LuxOS. Dev fees are ranges; flashing carries brick risk.
Answer five short questions and this guide will point you toward a firmware path that fits your goals — with an honest rationale. Custom Antminer firmware builds on the work of projects that opened this space; this tool simply helps you find a sensible starting point. It is educational, not a guarantee — always confirm support for your exact control board before flashing, and remember flashing custom firmware is done at your own risk.
Dev-fee figures and feature coverage can change by model and build. Claims here were checked against the dated primary-source ledger on 31 August 2026; missing evidence is marked not verified rather than converted into a negative claim.
Where DCENT_OS stands now
All 13 Antminer models in the canonical registry carry the public status shown above. Experimental is intended for testing, development, informed operators and non-critical deployments. It is not Stable or GA and is not recommended for an irreplaceable fleet.
Release availability does not erase hardware limits. Verified prebuilt files, accepted-share evidence, installation authorization and recovery maturity remain separate for every exact model and board lane.
Artifact authentication boundary: All 3 outer files have SHA-256 receipts. 2 sysupgrade archives contain a verified embedded Ed25519 payload manifest. DCENTOS_XIL1_S9_SD_beta20260709.img has a SHA-256 receipt only: no embedded or detached signature. No detached signature for the outer files or SHA256SUMS.txt is claimed.
There is no mandatory developer fee. A disableable 2% donation ships on by default and can be set to zero. Treat that behavior as build-specific and verify it in the GPL-3.0 source and the exact build you run.
Open the firmware authority hub · Verify releases, hashes and signature scope · Plan stock restoration before any write
The four firmwares this wizard chooses between
The wizard asks five questions and then explains itself. Here is the same reasoning in one place, so you can read it without answering anything — and so a search engine can too.
BraiinsOS+
Braiins publishes native Stratum V2, per-chip autotuning, immersion support, exact model/control-board downloads and GPG verification. Its current fee is 2–2.5% depending on hardware. Braiins also publishes meaningful open components and BCB100 hardware; the complete mining firmware is not published as open source. Its site reports operation since 2018 and hundreds of thousands of miners; those fleet figures remain vendor-reported.
VNish and LuxOS
VNish publishes model-specific builds, tuning controls and model-dependent fees; its current pages list 2.8% for S19/S21 and 2% for L7/L9, while older-model terms differ. LuxOS publishes a 2.8% fee, exact Antminer and WhatsMiner board/hashboard lanes, fleet controls, and vendor claims of SOC 2 Type 2 status and reducing a miner to about 25 W in under five seconds. The reviewed vendor pages did not document native Stratum V2 or a general household-voltage route for either product; those cells are not verified, not categorical negatives.
AxeOS (Bitaxe and open hardware)
AxeOS publishes source for Bitaxe-class open hardware. It is a different electrical and operational class from an industrial Antminer, so verify protocol support, board coverage and the exact release at the project source rather than flattening the two.
Stock (Bitmain)
Stock Bitmain firmware is the manufacturer recovery and support baseline and carries no third-party firmware fee. Features, security policy and installation packages vary by exact model and release. Use the model-matched vendor record, then run your own fee, electricity and measured-efficiency inputs through the cost-of-ownership calculator.
One thing that is true of all of them
Published tuning algorithms, voltage domains and eligible boards differ. Compare accepted hashrate, wall power, rejects, temperature and stability under equivalent conditions, and stay within the exact PSU, circuit and cooling limits. No universal tuning gain is assumed to exceed the effective fee.
Where to go next
The guide above narrows the field. These are the pages that take a decision and turn it into an install — in the order the work actually happens.
Related products, repair, and setup paths
- how D-Central diagnoses ASIC repairs
- ASIC troubleshooting library
- ASIC manuals and repair guides
- replacement hashboards
- ASIC control boards
- ASIC power supplies
- immersion cooling hub
- home immersion cooling guide
- ASIC miners for immersion planning
- ASIC cooling parts
- airflow shroud before immersion
- compare miner specs in the database
- ASIC repair support
- compare ASIC miner specs
- ASIC miner database
- Antminer S19 specs and profitability
- buy a tested Antminer S19
- Antminer S19 maintenance guide
- Antminer S19 repair service
- Antminer S21 specs
- Bitmain Antminer S21
- Antminer S21 maintenance guide
- BM1370BC S21 Pro chip
- Antminer S9 specs
- Bitmain Antminer S9
- Antminer S9 maintenance guide
- S9 hashboard repair parts bundle
- Whatsminer M30S specs
- Whatsminer repair guide
- MicroBT Whatsminer M30S++
- Whatsminer M3x exhaust shroud
Last reviewed June 23, 2026.