Downgrading firmware is generally discouraged due to security risks, but the following valid use cases often justify the action:
Let’s be clear: normally, firmware updates are good. They patch security holes and add features. But iLO 4 has a unique history. HP (now HPE) released iLO 4 in 2012. By 2020, development slowed, but critical changes appeared in versions and above—including controversial HTTPS cipher changes that broke compatibility with older browsers and remote management tools. downgrade ilo 4 firmware better