Shenma Miner: It’s time to upgrade your firmware!

Shenma Miner: It’s time to upgrade your firmware!

Dear Shenma Miner User:


Thank you for your support and trust in the M20 series products. We are now launching a new generation of firmware 20191105 version, which has optimized the machine performance to a certain extent. We recommend that you upgrade .


This upgrade is for the M20 series models (i.e. M20, M20S, M21, M21S, M21B, M21C), and the optimizations include:

  1. Increase the stability of product operation

  2. Improved computing power

  3. Reduced power consumption ratio and total power consumption

How to upgrade?

1. This upgrade requires the latest WhatsMinerTool version 4.2.4


2. Download address of the latest firmware 20191105: click here


3. According to the type of machine control board, upgrade the corresponding firmware version for the machine. Currently, the control board types of the machine are divided into H3 and H6 . As shown in the figure, you can view the control board type of the machine in the " Firmware Version " of the tool


Or you can log in to the machine IP through the browser and switch to the overview page to view the type of control panel.

If the upgrade fails during the upgrade process,

  • Please check whether the firmware version is consistent with the machine

If they are consistent, please try again 1~2 times to successfully upgrade;

If they are inconsistent, please restart the machine where the upgrade failed (power off and restart or reboot), wait for the machine to come online, reselect the firmware of the corresponding control board type, and upgrade again.


  • If you still have any questions, please contact our official technical support: WeChat ID: Microbt18

The new generation firmware 20191105 has different degrees of optimization for computing power and power consumption ratio, but the specific data may vary slightly due to the different operating environments of the mining machine, so please refer to the actual situation .

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