Do not unplug the USB drive during the installation.
Improved navigation and audio streaming stability. Steps to Update Your T3 P1 Quadcore Unit (2026 Guide) Updating your quadcore t3 p1 update top
Flashing the wrong files can brick your car stereo. You must distinguish between (system operations) and MCU Updates (hardware communication like radio and buttons). Do not unplug the USB drive during the installation