Smeg 3.17.a.r3 Update Jun 2026

: C3, C4, C4 Cactus, and DS-line vehicles from the same period.

Download the correct SMEG 3.17.A.R3 firmware package (usually a .zip file).

A critical memory leak was identified in Revision R2 when the gateway operated for more than 49.7 days (an integer overflow in the uptime counter). The 3.17.A.R3 update patches this by converting the timer variable to a 64-bit unsigned integer, effectively allowing of continuous operation without overflow.

Choose as the file system structure. Do not use NTFS or exFAT, as the Linux-based SMEG system will fail to read it.