| Firmware name | Firmware | Type | Links | Notes | Tags | Verified |
|---|---|---|---|---|---|---|
| Bitmain Antminer stock firmware search: stock firmware, official firmware, firmware update, Antminer S21 firmware, Antminer S21 stock firmware, Antminer S21 custom firmware, Antminer S21 VNISH firmware | Bitmain Stock Firmware | Stock | official | Official download center; choose the exact miner type/model before updating. | asic;stock | 2026-02-04 |
| Bitmain Antminer stock firmware search: stock firmware, official firmware, firmware update, Antminer S21+ firmware, Antminer S21+ stock firmware, Antminer S21+ custom firmware, Antminer S21+ VNISH firmware | Bitmain Stock Firmware | Stock | official | Official download center; choose the exact miner type/model before updating. | asic;stock | 2026-02-04 |
| Braiins OS+ search: Braiins OS+, Braiins OS firmware, Braiins OS+ download, Antminer S21 firmware, Antminer S21 stock firmware, Antminer S21 custom firmware, Antminer S21 VNISH firmware | Braiins OS | Custom | official · evidence | Autotuning / power‑limit tuning; compatibility depends on the control board. | asic;custom;autotune | 2026-02-04 |
| Braiins OS+ search: Braiins OS+, Braiins OS firmware, Braiins OS+ download, Antminer S21+ firmware, Antminer S21+ stock firmware, Antminer S21+ custom firmware, Antminer S21+ VNISH firmware | Braiins OS | Custom | official · evidence | Autotuning / power‑limit tuning; compatibility depends on the control board. | asic;custom;autotune | 2026-02-04 |
| LuxOS search: LuxOS firmware, LuxOS compatibility, Luxor firmware, Antminer S21 firmware, Antminer S21 stock firmware, Antminer S21 custom firmware, Antminer S21 VNISH firmware | LuxOS | Custom | official · evidence | Compatibility and remote‑install requirements depend on the control board and stock firmware. | asic;custom;enterprise | 2026-02-04 |
| LuxOS search: LuxOS firmware, LuxOS compatibility, Luxor firmware, Antminer S21+ firmware, Antminer S21+ stock firmware, Antminer S21+ custom firmware, Antminer S21+ VNISH firmware | LuxOS | Custom | official · evidence | Compatibility and remote‑install requirements depend on the control board and stock firmware. | asic;custom;enterprise | 2026-02-04 |
| BiXBiT Firmware search: BiXBiT firmware, BiXBiT firmware download, BiXBiT Antminer firmware, Antminer S21 firmware, Antminer S21 stock firmware, Antminer S21 custom firmware, Antminer S21 VNISH firmware | BiXBiT Firmware | Custom | official | Profiles/optimization; dev fee (as stated by the vendor). | asic;custom;autotune | 2026-02-04 |
| BiXBiT Firmware search: BiXBiT firmware, BiXBiT firmware download, BiXBiT Antminer firmware, Antminer S21+ firmware, Antminer S21+ stock firmware, Antminer S21+ custom firmware, Antminer S21+ VNISH firmware | BiXBiT Firmware | Custom | official | Profiles/optimization; dev fee (as stated by the vendor). | asic;custom;autotune | 2026-02-04 |
| Braiins OS+ search: Braiins OS+, Braiins OS firmware, Braiins OS+ download, Antminer S21 firmware, Antminer S21 stock firmware, Antminer S21 custom firmware, Antminer S21 VNISH firmware | Braiins OS | Custom | official · evidence | Autotuning / power‑limit tuning; compatibility depends on the control board. | asic;custom;autotune | 2026-02-04 |
| Braiins OS+ search: Braiins OS+, Braiins OS firmware, Braiins OS+ download, Antminer S21+ firmware, Antminer S21+ stock firmware, Antminer S21+ custom firmware, Antminer S21+ VNISH firmware | Braiins OS | Custom | official · evidence | Autotuning / power‑limit tuning; compatibility depends on the control board. | asic;custom;autotune | 2026-02-04 |
| LuxOS search: LuxOS firmware, LuxOS compatibility, Luxor firmware, Antminer S21 firmware, Antminer S21 stock firmware, Antminer S21 custom firmware, Antminer S21 VNISH firmware | LuxOS | Custom | official · evidence | Compatibility and remote‑install requirements depend on the control board and stock firmware. | asic;custom;enterprise | 2026-02-04 |
| LuxOS search: LuxOS firmware, LuxOS compatibility, Luxor firmware, Antminer S21+ firmware, Antminer S21+ stock firmware, Antminer S21+ custom firmware, Antminer S21+ VNISH firmware | LuxOS | Custom | official · evidence | Compatibility and remote‑install requirements depend on the control board and stock firmware. | asic;custom;enterprise | 2026-02-04 |
| BiXBiT Firmware search: BiXBiT firmware, BiXBiT firmware download, BiXBiT Antminer firmware, Antminer S21 firmware, Antminer S21 stock firmware, Antminer S21 custom firmware, Antminer S21 VNISH firmware | BiXBiT Firmware | Custom | official | Profiles/optimization; dev fee (as stated by the vendor). | asic;custom;autotune | 2026-02-04 |
| BiXBiT Firmware search: BiXBiT firmware, BiXBiT firmware download, BiXBiT Antminer firmware, Antminer S21+ firmware, Antminer S21+ stock firmware, Antminer S21+ custom firmware, Antminer S21+ VNISH firmware | BiXBiT Firmware | Custom | official | Profiles/optimization; dev fee (as stated by the vendor). | asic;custom;autotune | 2026-02-04 |