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VNISH Firmware for Overclocking and Downvolt Antminer L7

VNISH FIRMWARE VERSION 1.3.4 + monitoring

❗️There is no hotel fee in version 1.3.4❗️


We can add your personal Dev fee and proxying your Fee to any pool, similar to hotel fee option.


🔥Build firmware for free🔥

TO UPDATE TO THE LATEST VERSION YOU CAN USE VNISH MONITORING TOOL, THE UTILITY SCAN YOUR NETWORK, DETERMINES THE MINER MODEL AND INSTALLATION TYPE AND AUTOMATICALLY UPDATES YOUR VERSION TO THE LATEST

 

INSTALLING VNISH FIRMWARE:

Download the firmware from the “NAND Download Install” section for your miner model and control board.
Installation is only possible using the HASHCORE TOOLKIT utility. Download the utility and carefully read the installation instructions.

If you don’t know which control board is installed on your miner:

We recommend downloading the HASHCORE TOOLKIT (Windows) + firmware bundle.
The utility will automatically detect your miner model and control board type, then install the firmware correctly and safely.

Specifics for the CVitek board:

After rebooting a miner with a CVitek board, the stock firmware may revert.
To restore the VNISH firmware:
Scan the network with the HASHCORE TOOLKIT, or
Use phoenix-scanner in the background – the VNISH firmware will be restored automatically.

This guide ensures safe and efficient installation of the VNISH firmware, minimizes the risk of failures, and improves the stability of miners.

⚠️ATTENTION: Check the stock firmware date. Firmware can be installed using the Toolkit 1.7.1 and newer on stock firmware with any date except :
Antminer L9: FR-1.19(260302-L9)
Antminer S19k Pro: FR-1.28(251010-S19k Pro)
 
If you have BITMAIN firmware installed from 2024 year that cant be flashed to vnish and you see the ssh error, you can update the firmware using the stock web update file on a newer date. If you cannot find the stock update file for your model, you will need to downgrade the firmware using an SD image.

Amlogic (a113d) control boards with firmware from september 2025 and newer cant be downgrade using sd image.
Instructions for unlocking AML control boards to install VNISH firmware:
➡️ UNLOCK-AML

Resources and Utilities

Version
1.3.4
1.3.3
1.2.7
1.2.6-stable
1.2.6-rc5
1.2.5
Model
Antminer L7
Type
xil
Method
NAND
SD
firmware

Firmware Vnish for Bitmain
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