If you want to update the mcu of the nissan teana j31 androi screen,
step 1, please show me your system information first
step2: download this mcu file, and copy to the root of empty usb, then update it
https://www.mediafire.com/file/cgwvvfuarmxf6wo/道航_L6315_MCU_天籁按键_360_多合一_20221102.zip/file
