Vnish

Vnish Vnish – cryptocurrency mining firmware that increases mining efficiency by 15-25% depending on the ASIC model.

More than 8 years Vnish team develops the professional firmware for Antminer models S21, T21, L9, L7, S19, T19 and other. More than 8 years Vnish team develops the professional firmware for Antminer models. Vnish is a leading international developer of mining software. Our project brings together the best specialists from all over the world. We work closely with partners around the world to devel

op innovative solutions to address the specific challenges of the mining industry. Our team is committed to staying at the forefront of technological innovation, offering modern solutions to improve the efficiency, stability and profitability of your business. More than 1.5 million devices around the world successfully run our Vnish software. Now we have firmware for Antminer S21, T21, L7, S19, S19a, S19a pro, S19j, S19jpro, S19jpro plus, S19j-bb, S19jpro-bb, S19pro-a-bb, S19pro, S19pro-a, S19i, S19+, T19, S19XP, S19 pro hydro, S19 pro plus hydro, T19, S17+, T17+, S17, S17pro, T17, S9, S9i, S9j, T9+, L3+, L3++ and Innosilicon T2Tz. In the process of developing firmware for Whatsminer, Innosilicon, Bitmain, Avalon. All vnish firmware has been tested for a long time before being uploaded for download and compared to the stock BITMAIN firmware, has a huge functionality that allows you to quickly and efficiently manage your ASICs and allows you to increase the profitability of equipment up to 25%.

08/14/2026

🚀 Enter VNISH Monitoring — the ultimate remote platform to control, automate, and optimize your ASIC miners. 🖥⚡️

Here is how VNISH gives you the edge:

🕒 Smart Task Scheduler: Automate miner behavior based on time, load, or electricity costs to maximize your profit margins.

📱 Web + Telegram Control: Get critical alerts (temp spikes, hashrate drops, hardware errors) straight to your phone so you can react instantly.

🛠 1-Click Bulk Management: Change pools, switch performance profiles, or reboot hundreds of machines in seconds.

🔒 Enterprise-Grade Security: Keep your farm safe with role-based access, full encryption, and 2FA.

Stop leaving hashrate on the table and stop wasting time on manual reboots. Upgrade your farm's brain and manage everything from anywhere. 🧠🔋

👉 Start optimizing your fleet now:

07/31/2026

New release - VNISH firmware 1.3.5!

Download: https://vnish.group/en/vnish-firmware/
Update: https://vnish.us/faq/update-vnish-monitoring/

⭐️VNISH Firmware v1.3.5

⌨️ Expanded Miner & Hardware Support:
• New Models: Added support for Antminer U2L9H and Antminer S21++
• Xilinx Support: Added support for the Antminer S19-126 on Xilinx control boards.
• New PSUs: Added support for PSU models 0x67 and 0xc5.

⚙️ New Features & Enhancements
• Maintenance Tab UI: Moved Backup, Restore Backup, Reset to Default Settings, and Rollback to Stock functionalities to a dedicated, unified Maintenance tab in the web interface.
• Offline Mining: Fixed and stabilized the Offline Mining operational mode.

🔧 Bug Fixes & Refinements
Hardware Detection:
• ASIC Auto-Detection: Fixed model detection issues for Antminer S19 Pro(114 chips), T19, S19, S19 Pro Hydro(120), Antminer S21 sub-model BHB68603P.

📈 Tuning & Presets:
• Autotune Improvements: Fixed and optimized autotuning algorithms on several miner models.
• Preset Naming: Fixed incorrect preset names for Antminer S21e Hydro, T19, and S19j+.
• Preset Removal: Presets exceeding 346 TH have been removed for the Antminer S21 Hydro.
System & Logs:
• Xilinx Log Cleanup: Fixed the "remove stock logs" routine on Xilinx control boards to ensure clean log deletion.

💻 API Changes
• Route Removal: The /layout route has been permanently removed from the API.
• Dropped 'asic_boost', 'modded_psu' field: The configuration/API field has been permanently removed.

06/09/2026

The latest Hashcore Toolkit update introduces support for flashing almost all Bitmain stock firmware versions, including firmware released in 2026. New features include device notes, Antminer S21e XP Hydro support, firmware installation improvements, application data import/export, advanced filterin...

05/22/2026

New release - VNISH firmware 1.3.3!

https://vnish.group/en/vnish-firmware/

Download VOU (https://vnish-firmware.us/files/tools/vou.zip)

🆕 Expanded Miner Support
Newly Supported Antminer Models
• Air-Cooled: S19 XP+, S21 Pro, S21 XP
• Hydro Series: U3S21EXPH, S21e Hydro(AMLogic/CVitek), U3S19XP+H, S21+ Hydro (CVitek), S21 XP Hydro
Added Support for Specific Hashboard/Sub-models
• Antminer S19j XP: BHB56804-
• Antminer S19k Pro: BHB56907
• Antminer S21+: A3HB70702
• Antminer S21+ Hydro: H6HB70702, H6HB70704
• Antminer S21 Pro: A3HB70603
• Antminer S21 XP: A3HB70502, A3HB70503
• Antminer S21 XP Hydro: H6HB70502
• Antminer S19 XP+ Hydro: HHB68702, HHB68703

🆕 Expanded PSU Support
• Added support for PSU types: 0xc4, 0x69

⚙️ New Features & Enhancements
• Default Thermal Safety for Hydro/Immersion: To ensure hardware longevity, the default Critical Temperature for all Hydro and Immersion-cooled models is now set to 80°C upon firmware installation.
• Expanded Localization: Added support for two new languages: Portuguese (pt) and Georgian (ka).
• Expanded Startup & Resume Delay: The Mining startup delay (configurable in seconds) now also applies to Resume mining. This ensures a controlled staggered start for power stability, whether the miner is powering on for the first time or resuming after a pause.
• Rollback to Stock: Added an option to automatically wipe system logs when performing a "Rollback to Stock" operation.
• Thermal Protection: Implemented critical PSU temperature monitoring. The system will now automatically lower/raise presets to prevent PSU overheating.
• Safety Shutdowns: Miner now switches to "Failure State" immediately upon detecting sensor errors or overheating.
• Autotune Optimization: Improved autotune algorithms for better stability and efficiency.
• Voltage Management: Reduced voltage offsets during frequency tuning for more precise power control.
• Enhanced Diagnostics: Updated temperature sensor validation logic and fixed widespread issues related to global setting applications.
• Stability Fixes: Resolved the "Random DevFee penalty" bug.

🔧 New Configuration Options
• Offline Mining: Allows the miner to continue operating without an internet connection (Note: hashrate produced offline is not submitted to pools).
• Delayed Resume: Added an optional delay before mining resumes.
• Advanced Power Management: New throttle command: Allows users to manually scale down mining power. For example, setting the throttle to 50% will reduce a 200TH miner to 100TH, allowing for immediate power savings without stopping the miner.
• Hydro-Specific Settings: Added "Minimum water temperature for startup" for liquid-cooled systems.
• New Cooling Widget: Added a dedicated dashboard widget for Hydro and Immersion cooling systems.
• Advanced Logic:
• Added "Retune on chain break" option.
• Added "Allow disable chain without PICs" option.
• Preset Tuning Timestamps: The interface now displays the completion date for autotuned presets. Note: This applies only to tuning sessions performed on this version or later. Presets tuned in previous versions will not display a date.
• Power Limit: Added a new Power Limit functionality. The miner will now strictly adhere to a user-defined wattage cap, automatically lowering the overclock (frequency/voltage) if power consumption attempts to exceed the limit.

🔧 Bug Fixes
• NTP Synchronization: Added new time-server pools (http://pool.ntp.org) to ensure more reliable system clock synchronization and faster connection to mining pools.
• Factory Reset Protection: Fixed an issue where the device serial number was accidentally deleted during a factory reset.
• Fixed issues involving the cloning of miner settings.
• Resolved a dashboard freezing bug occurring when querying third-party monitoring services.
• Configuration Persistence: Fixed an issue where miner configuration changes failed to save correctly.
• Network Settings: Fixed an issue with reading and displaying Network settings.
This ensures that IP addresses, gateway configurations, and other network parameters are correctly retrieved from the system and accurately shown in the web interface.

⚠️ Deprecated & Removed Features
• Removed: higher-volt-offset option.
• UI Cleanup: Widget settings have been removed from the interface for a more streamlined experience.
• Removed "Modded PSU" Setting: The option to manually select a Modded PSU has been removed from the configuration.

💻 API Changes
• Method Migration: The find-miner method is now deprecated.
• New Route: Introduced 'locate-miner'. This new method includes a parameter to explicitly enable or disable the miner locator (LED), providing better control via the API.
• New Route: Added the 'boards' route to the API for more granular hashboard data retrieval.
• New Route: '/mining/throttle' added a specific route to control the new throttling/power scaling feature.
• Route Removal: The '/chips' route has been permanently removed from the API.
• Field Renaming: To improve clarity, the API field 'remain_stopped_on_reboot' has been renamed to 'restore_miner_state_on_reboot'.

03/12/2026

🔓 Antminer AML Unlocked!

Starting September 2025, Bitmain began shipping Amlogic control boards with the SD card downgrade feature disabled by default. This effectively blocks users from installing custom firmware like VNISH via the standard method.

We have released a comprehensive technical guide to bypass this restriction using a UART connection. The manual covers:

- Hardware Setup: Connecting any USB-UART adapter (like CP2102) to the board’s RX/TX pins.

- Terminal Configuration: Using PuTTY with a 115200 baud rate.

- The Unlock Hack: Using specific commands to enable the USB/SD switch in the environment settings.

Once unlocked, you can freely downgrade your firmware and install Vnish for maximum efficiency.

Read the full manual here:🔗 https://vnish.group/en/en_aml_unlock/

Don't let locked firmware limit your hash rate. 💪🔥

12/22/2025

New release - VNISH firmware 1.2.7! https://vnish.group/en/bitmain/

🆕 New Antminer models
• S19 XP+
• S19 XP+ Hydro
• U3S19XPH
• S21e Hydro
• U3S21EXPH

🆕 Extended submodel support
• S19 XP — BHB56806
• S19j XP — BHB56804-
• S19k Pro — BHB56907
• S21+ Hydro — H6HB70702, H6HB70704
• S21+ — A3HB70702, A3HB70703
• S21 Pro — A3HB70603
• S21 XP — A3HB70502, A3HB70503

✅ you can update in auto mode using VNISH ONLINE UPDATER

🔹 Download VOU (https://vnish.us/files/tools/vou.zip)

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