How to update iManAuto box with gray carplay module
Carplay upgrade method
1. Find a USB flash drive not larger than 16G (not sd card or cd card), and format the USB flash drive in FAT32 format.
2. Copy the upgrade file ISPBOOOT.BIN and osu-setting to the root directory of the USB flash drive.
3. Switch the box to the carplay interface, enter the settings - version information.
4. Jump into the upgrade interface, wait for about three and a half minutes to finish the upgrade.