Do not turn off the car or disconnect power during the "Upgrading" screen. ⚠️ Vital Precautions
Plug the USB into the head unit's primary USB port. Trigger Update: Go to Settings > System > System Update . The device should detect the files and ask to reboot. t3l319 update link
Because these units are "white-label" (sold by many different companies), there is no single official website. You must match the firmware to your specific hardware. 1. Contact the Seller Do not turn off the car or disconnect
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. t3l319 update link