: Plug the drive into the head unit's USB port. Most systems will detect the update automatically and prompt you to start. If not, you may need to enter the "System Settings" and select "Local Update."
: Ensure your car engine is running or connected to a stable power source to prevent the unit from shutting down during the 5–15 minute installation. Important Safety Note GF200821-TRL-1.2-GG.rar
Always verify your screen in your head unit settings before flashing. Match the MCU version and Build Number exactly with the firmware description to ensure compatibility. : Plug the drive into the head unit's USB port
Updating a head unit is a delicate process. If the wrong version is used, it can "brick" the device (make it permanently unusable). Important Safety Note Always verify your screen in
: Adding support for newer versions of Zlink (for CarPlay/Android Auto) or improving Bluetooth stability.
: The hardware revision or specific model series the software is tailored for. Common Uses
This compressed RAR archive contains the system images and bootloader files necessary to re-flash or update a car stereo. The naming convention suggests: