Alternatively, SSH into the miner (root / root or admin / admin) and run:
Vnish and other unsigned firmwares can contain backdoors or mining theft code (diverting 1–5% of hashrate). Only use if you can audit the binary. whatsminer m3 firmware
Newer versions often include fixes for "zombie" boards or unresponsiveness. Alternatively, SSH into the miner (root / root
Ensure you have the .bin file specific to the M3 series from reputable sources like Zeus Mining . whatsminer m3 firmware
It is vital to use trusted sources to avoid "backdoor" firmware that might redirect your hashrate: