Applicable vehicle machine: CNS3.0 3GB035866B H21 hardware
Optimization project: occasional black screen, crash and other system bugs during driving;
Upgrade method:
Unzip the file to get the Data and Meta folders
Format the USB flash disk to be upgraded
Copy the Data and Meta folders directly to the upgrade USB flash drive
The vehicle is powered on, the host is restored to factory settings twice, and data connections such as Bluetooth and network are canceled
Insert the USB stick, press and hold the Menu key of the host, and the service mode screen pops up
Select the software update/version option and click the right side to start the update
7. After that, the screen may be turned off for about 20s until the screen lights up again automatically
8. Double click Update in the displayed screen (click once to select, click twice to execute)
9. Click the USB option to enter the loading interface
10. Click Standard in the new interface
11. Slide the white scroll bar on the left side of the new interface to the bottom, and double-click Start update
12. Double click Start update in the new interface to refresh.
13. After the upgrade progress bar is complete, slide the white scroll bar on the left, click the last Resume, and wait for restart to complete the system upgrade!
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