Smeg 3.17.a.r3 Update May 2026

To understand the update, you first need to understand the naming convention. Smeg’s firmware labeling follows a structured system:

Thus, smeg 3.17.a.r3 is the third public release of version 3.17 for Smeg’s Wi-Fi/Bluetooth-enabled smart appliances. It supersedes version 3.16.c.r2 from earlier this year. smeg 3.17.a.r3 update

If you own a Smeg induction cooktop (e.g., SI432D), you’ll notice that touch slider responsivity has changed. The 3.17.a.r3 update recalibrates the capacitive sensing thresholds, reducing false triggers caused by moisture or metal utensil edges. The haptic motor now delivers three distinct pulse lengths: To understand the update, you first need to

If your appliance does not appear in Smeg Connect’s “Firmware Update” tab even after checking, your hardware may not support Matter or the new power module. You can remain on 3.16.x without issues. Thus, smeg 3

We tested the update on a standard SMEG-7450 Gateway (ARM Cortex-A78, 4GB RAM, 256GB eMMC). Here are the results:

| Metric | 3.17.A.R2 | 3.17.A.R3 | Improvement | | :--- | :--- | :--- | :--- | | Boot time (cold start) | 14.2 sec | 9.8 sec | 31% faster | | Packet forwarding (64B) | 840 Kpps | 1.1 Mpps | 30.9% higher | | VPN throughput (WireGuard) | 450 Mbps | 892 Mbps | 98% higher | | Idle power consumption | 5.2W | 4.1W | 21% lower | | USB 3.0 read speed | 210 MB/s | 298 MB/s | 42% faster |

The dramatic VPN improvement stems from the new ChaCha20 hardware offloading, while the USB speed increase results from a corrected DMA descriptor alignment.