Look for a file named update.img (for full system) or dmcu.img (for MCU only). A full package usually includes an update.img that is over 800MB (sometimes up to 1.5GB).
: Obtain the firmware package (commonly from the XYAuto official site or the manufacturer's support portal) and unzip the files into the root directory of your USB drive. Do not unzip the "update_car" zip if it's within the main folder. Update Process android yt9216bj00012v001 update full
: Enhanced multitasking capabilities to view navigation and music simultaneously. System Stability Look for a file named update
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