Do you have the or MCU string from your head unit's settings to confirm this is the right file for your specific device?
: The hardware revision or specific model series the software is tailored for. Common Uses
: 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." GF200821-TRL-1.2-GG.rar
: Unzip the .rar file and copy the contents (usually files like update.img or a folder named FYT ) directly to the root of the USB drive.
: 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 Do you have the or MCU string from
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.
: Fixing "boot loops" where the head unit gets stuck on the logo screen. Most systems will detect the update automatically and
: Use a FAT32-formatted USB stick (8GB to 32GB is ideal).