Step1: Create a "hiworld" directory in the rootdirectory of the U disk and copy the upgrade file "XXXXXXX.iap" tothis directory. Insert the U disk

Step2: Click "Update"

Step3: Click "Local Update"

Step4: Click "CAN Box Update"

Step5: Click "Can Upgrade"

Step6: Click "OK"

Step7: When the progress bar reaches 100%, the upgrade succeeds and the host restarts automatically

YouTube Video link：https://youtu.be/wPViu_B0AQ8