T3l.3.19 Update: 2021

Turn on your vehicle’s ignition to ensure continuous power.

This was a significant update rolled out in mid-to-late 2023, notable for introducing the "Steam Deck" gaming integration in Model 3 and Model Y vehicles, along with major UI changes. t3l.3.19 update

If you aren't a gamer, this is the feature you will appreciate every single day. Tesla finally fixed one of the most complained-about aspects of the interface: switching audio sources. Turn on your vehicle’s ignition to ensure continuous power

: Fine-tunes the built-in light sensor rules to prevent flickering and screen dimming under direct daytime sunlight. Tesla finally fixed one of the most complained-about

Go to Settings > System Info / About Device and check if your MCU or firmware version matches T3L.3.19. Do not force an update on an incompatible device.

Upgrading an automotive infotainment unit requires precise execution to avoid a corrupted system boot loop. Follow these instructions exactly. 1. Hardware and File Preparation AllWinner T3 P1 Android Head Unit Car Stereo