To understand the update, you first need to understand the naming convention. Smeg’s firmware labeling follows a structured system:
: This firmware is for the original SMEG hardware (Version 3.x). It is not compatible with SMEG+, SMEG+ IV1, or SMEG+ IV2 (Versions 4, 5, or 6).
The update process is straightforward but requires caution. Interrupting the power during installation can cause "big problems" or even brick the unit. Prepare a USB Drive: Use a high-quality USB stick formatted to Load the Files:
To see if you are already on this version or need an upgrade: Turn on your vehicle’s ignition. hold the "Menu" button
: Versions 3.20 and 3.21.A.R1 followed, offering further refinements and minimal feature changes.
. If you are currently on 3.17.A.R3, moving to 3.21 is often recommended to further minimize Bluetooth lag and UI sluggishness. Minor Bugs