Latest versions support API V3 for advanced monitoring through the WhatsMinerTool . How to Upgrade Firmware (Step-by-Step)

The Whatsminer M3 is notoriously sensitive to incorrect flashing procedures.

The M3 usually uses an H3 or ZYNQ board. Log into the miner's IP in a browser to confirm your board type on the "Overview" page.

Scan your local network to find the miner’s IP. Flash the Firmware: Select your miner. Click Upgrade -> Select File .

cat /etc/version cat /proc/version

Optimizing Your Legacy Rig: The Ultimate Whatsminer M3 Firmware Guide If you’re still running a MicroBT Whatsminer M3