Whatsminer M64S++ REL Firmware - 1 version
REL is the previous firmware line for Whatsminer M64S++, support discontinued in 2025; REL2 is used for new releases. Use these 1 version if your current firmware version ends with "REL" in Version Info (Whatsminer Tool) or in Status / Overview / Firmware Version (it appears at the very end after the last dot) in the miner's web interface. If your control-board model is h616, you can upgrade to REL2 via NeedUpgradeAgain firmware.
REL (1)
★ Recommended
20250811.18.REL REL normal h616 2025-08-11 · 7.7 MB
Miners Tools — open ASIC miner firmware archive.
✈️
Download started
Subscribe to our Telegram — archive updates, new firmware and teardowns.
Open Telegram