Note: SMEG does not publicly host firmware files to prevent unauthorized updates that could void warranties.

Last updated: April 2026

| Step | Action | Done | |------|--------|------| | 1 | Backup your temperature settings (photo of display) | ☐ | | 2 | Verify current firmware version | ☐ | | 3 | Contact SMEG support for firmware file | ☐ | | 4 | Gather mini-USB data cable, Windows PC | ☐ | | 5 | Unplug and access control board | ☐ | | 6 | Flash firmware using SMEG tool | ☐ | | 7 | Reassemble and reset temperature | ☐ | | 8 | Monitor for 48 hours | ☐ | For more guides on retro appliance maintenance, subscribe to our newsletter or visit your local SMEG authorized service center.