BiXBiT firmware for ASIC Whatsminer M2x ( M20s, M20s+, M21s, M21s+)

Alternative firmware for Whatsminer M2x series is designed for all M20, M21 models and allows you to overclock ASIC up to 90 Th/s depending on the configuration.

  • AsicBoost
  • Overclocking
    up to 90 Th/s
  • DevFee is
    just 2.8%

Differences and fee

  • Removes factory restrictions on PSU, voltage and chip frequencies.
  • Allows to overclock up to 10% on three boards and up to 40% on two.
  • Developer fee – 2.8%.

Installation manual


Before proceeding with the installation, double check that your control board version is H3 or H6

  • Download an official tool for H3 board, or for H6 board from the MicroBT official website that allows you to roll-back your current FW.

  • Prepare the ASIC for installation from the SD card. The detailed process is shown in the video below:

  • Download the BiXBiT Firmware for WhatsMiner m2x. To install, use WhatsMinerTools.

  • After a complete installation and receiving a notification that the device is ready to work, go to the Configuration> Miner Configuration> Overclock tab. Here you’ll be able to configure your ASIC.

    Also in this section there is an Immersion Cooling option. If, after you have launched the miner, in the immersion cooling system errors occur (associated with the power supply), you’ll need to install the appropriate firmware additionally by using WhatsMinerTools.