Unzip the downloaded folder. Copy the raw files (usually .bin , .img , or update.zip ) directly to the root of the USB drive. Do not put them in a folder.
Do not turn off the car or disconnect power during the "Upgrading" screen. ⚠️ Vital Precautions t3l319 update link
The firmware controls everything from the radio tuner and Bluetooth connectivity to the CANbus integration. Where to Find the T3L319 Update Link Unzip the downloaded folder
Format a USB flash drive (16GB or less) to FAT32 . t3l319 update link
Sometimes after an update, the touch screen may be inverted. You may need a USB mouse to navigate back to settings to fix the "Touch Area" calibration.