Oracle ZFS Storage Appliance Customer Service Manual, Release OS8.8.x Working with Platform Firmware Updates Checking the Platform Firmware Versions (BUI) Checking the Platform Firmware Versions (BUI) Fro the Maintenance menu, select Problems. Under Active Problems, look for a major alert stating the chassis is running an older (downrev) platform firmware version. If this alert is present, proceed to Updating the Platform Firmware (BUI). If the alert is not present, the platform firmware is up to date, and no further action is needed.